diff --git a/images/bisect/bisect-1.gv b/images/bisect/bisect-1.gv
index f3fb67e..4a059b9 100644
--- a/images/bisect/bisect-1.gv
+++ b/images/bisect/bisect-1.gv
@@ -31,7 +31,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -55,7 +55,7 @@ digraph Git {
   {
     rank=same
     // Hide, but make node occupy space.
-    HEAD [fillcolor="#c8a036"
+    HEAD [fillcolor="#3e8f99"
           style=invis]
     D -> HEAD [style=invis]
   }
diff --git a/images/bisect/bisect-1.svg b/images/bisect/bisect-1.svg
index 1f67e40..6d3a9b4 100644
--- a/images/bisect/bisect-1.svg
+++ b/images/bisect/bisect-1.svg
@@ -35,7 +35,7 @@
 <!-- v1_0 -->
 <g id="node8" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
 <text text-anchor="middle" x="91.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -109,7 +109,7 @@
 <!-- v1_1 -->
 <g id="node9" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
 <text text-anchor="middle" x="1429.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
diff --git a/images/bisect/bisect-2.gv b/images/bisect/bisect-2.gv
index 02ac8f6..f646eee 100644
--- a/images/bisect/bisect-2.gv
+++ b/images/bisect/bisect-2.gv
@@ -31,7 +31,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -54,7 +54,7 @@ digraph Git {
   // No cluster draws label below.
   {
     rank=same
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     D -> HEAD
   }
 }
diff --git a/images/bisect/bisect-2.svg b/images/bisect/bisect-2.svg
index 385e5ee..b389f02 100644
--- a/images/bisect/bisect-2.svg
+++ b/images/bisect/bisect-2.svg
@@ -35,7 +35,7 @@
 <!-- v1_0 -->
 <g id="node8" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
 <text text-anchor="middle" x="91.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -83,7 +83,7 @@
 <!-- HEAD -->
 <g id="node10" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="836,-58 685,-58 685,0 836,0 836,-58"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="836,-58 685,-58 685,0 836,0 836,-58"/>
 <text text-anchor="middle" x="760.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- D&#45;&gt;HEAD -->
@@ -119,7 +119,7 @@
 <!-- v1_1 -->
 <g id="node9" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
 <text text-anchor="middle" x="1429.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
diff --git a/images/bisect/bisect-3.gv b/images/bisect/bisect-3.gv
index 73109f8..d6499cb 100644
--- a/images/bisect/bisect-3.gv
+++ b/images/bisect/bisect-3.gv
@@ -31,7 +31,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -54,7 +54,7 @@ digraph Git {
   // No cluster draws label below.
   {
     rank=same
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     B -> HEAD
   }
 }
diff --git a/images/bisect/bisect-3.svg b/images/bisect/bisect-3.svg
index 0f49edf..847185f 100644
--- a/images/bisect/bisect-3.svg
+++ b/images/bisect/bisect-3.svg
@@ -35,7 +35,7 @@
 <!-- v1_0 -->
 <g id="node8" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
 <text text-anchor="middle" x="91.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -59,7 +59,7 @@
 <!-- HEAD -->
 <g id="node10" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="390,-58 239,-58 239,0 390,0 390,-58"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="390,-58 239,-58 239,0 390,0 390,-58"/>
 <text text-anchor="middle" x="314.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- B&#45;&gt;HEAD -->
@@ -119,7 +119,7 @@
 <!-- v1_1 -->
 <g id="node9" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
 <text text-anchor="middle" x="1429.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
diff --git a/images/bisect/bisect-4.gv b/images/bisect/bisect-4.gv
index abc6f18..6de5aec 100644
--- a/images/bisect/bisect-4.gv
+++ b/images/bisect/bisect-4.gv
@@ -31,7 +31,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -54,7 +54,7 @@ digraph Git {
   // No cluster draws label below.
   {
     rank=same
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     C -> HEAD
   }
 }
diff --git a/images/bisect/bisect-4.svg b/images/bisect/bisect-4.svg
index 8d0dccf..67157a2 100644
--- a/images/bisect/bisect-4.svg
+++ b/images/bisect/bisect-4.svg
@@ -35,7 +35,7 @@
 <!-- v1_0 -->
 <g id="node8" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
 <text text-anchor="middle" x="91.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -71,7 +71,7 @@
 <!-- HEAD -->
 <g id="node10" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="613,-58 462,-58 462,0 613,0 613,-58"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="613,-58 462,-58 462,0 613,0 613,-58"/>
 <text text-anchor="middle" x="537.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- C&#45;&gt;HEAD -->
@@ -119,7 +119,7 @@
 <!-- v1_1 -->
 <g id="node9" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
 <text text-anchor="middle" x="1429.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
diff --git a/images/bisect/bisect-5.gv b/images/bisect/bisect-5.gv
index 7efb99f..ac3d0b0 100644
--- a/images/bisect/bisect-5.gv
+++ b/images/bisect/bisect-5.gv
@@ -31,7 +31,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -54,7 +54,7 @@ digraph Git {
   // No cluster draws label below.
   {
     rank=same
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     C -> HEAD
   }
 }
diff --git a/images/bisect/bisect-5.svg b/images/bisect/bisect-5.svg
index 91aafd7..12f1cd8 100644
--- a/images/bisect/bisect-5.svg
+++ b/images/bisect/bisect-5.svg
@@ -8,12 +8,12 @@
  viewBox="0.00 0.00 1529.00 270.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 266)">
 <title>Git</title>
-<g id="clust3" class="cluster">
-<title>cluster_v1_1</title>
-</g>
 <g id="clust1" class="cluster">
 <title>cluster_v1_0</title>
 </g>
+<g id="clust3" class="cluster">
+<title>cluster_v1_1</title>
+</g>
 <!-- A -->
 <g id="node1" class="node">
 <title>A</title>
@@ -35,7 +35,7 @@
 <!-- v1_0 -->
 <g id="node8" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-246 16,-246 16,-188 167,-188 167,-246"/>
 <text text-anchor="middle" x="91.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -71,7 +71,7 @@
 <!-- HEAD -->
 <g id="node10" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="613,-58 462,-58 462,0 613,0 613,-58"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="613,-58 462,-58 462,0 613,0 613,-58"/>
 <text text-anchor="middle" x="537.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- C&#45;&gt;HEAD -->
@@ -119,7 +119,7 @@
 <!-- v1_1 -->
 <g id="node9" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-246 1354,-246 1354,-188 1505,-188 1505,-246"/>
 <text text-anchor="middle" x="1429.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
diff --git a/images/bisect/bisect-cherry-pick-1.gv b/images/bisect/bisect-cherry-pick-1.gv
index 6a56f4a..aba6c06 100644
--- a/images/bisect/bisect-cherry-pick-1.gv
+++ b/images/bisect/bisect-cherry-pick-1.gv
@@ -32,7 +32,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -58,7 +58,7 @@ digraph Git {
       rank=same
       repro [label="repro"]
       R -> repro
-      HEAD [fillcolor="#c8a036"]
+      HEAD [fillcolor="#3e8f99"]
       repro -> HEAD
     }
   }
diff --git a/images/bisect/bisect-cherry-pick-1.svg b/images/bisect/bisect-cherry-pick-1.svg
index 00f3843..b24d9de 100644
--- a/images/bisect/bisect-cherry-pick-1.svg
+++ b/images/bisect/bisect-cherry-pick-1.svg
@@ -38,7 +38,7 @@
 <!-- v1_0 -->
 <g id="node9" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
 <text text-anchor="middle" x="91.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -124,7 +124,7 @@
 <!-- v1_1 -->
 <g id="node10" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
 <text text-anchor="middle" x="1429.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
@@ -136,7 +136,7 @@
 <!-- repro -->
 <g id="node11" class="node">
 <title>repro</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
 <text text-anchor="middle" x="1652.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">repro</text>
 </g>
 <!-- R&#45;&gt;repro -->
@@ -148,7 +148,7 @@
 <!-- HEAD -->
 <g id="node12" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="1728,-434 1577,-434 1577,-376 1728,-376 1728,-434"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="1728,-434 1577,-434 1577,-376 1728,-376 1728,-434"/>
 <text text-anchor="middle" x="1652.5" y="-400" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- repro&#45;&gt;HEAD -->
diff --git a/images/bisect/bisect-cherry-pick-2.gv b/images/bisect/bisect-cherry-pick-2.gv
index baaa8cc..aff223f 100644
--- a/images/bisect/bisect-cherry-pick-2.gv
+++ b/images/bisect/bisect-cherry-pick-2.gv
@@ -32,7 +32,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -66,7 +66,7 @@ digraph Git {
   // No cluster draws label below.
   {
     rank=same
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     D -> HEAD
   }
 
diff --git a/images/bisect/bisect-cherry-pick-2.svg b/images/bisect/bisect-cherry-pick-2.svg
index 29f6a32..1e29c86 100644
--- a/images/bisect/bisect-cherry-pick-2.svg
+++ b/images/bisect/bisect-cherry-pick-2.svg
@@ -38,7 +38,7 @@
 <!-- v1_0 -->
 <g id="node9" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
 <text text-anchor="middle" x="91.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -86,7 +86,7 @@
 <!-- HEAD -->
 <g id="node13" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="836,-152 685,-152 685,-94 836,-94 836,-152"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="836,-152 685,-152 685,-94 836,-94 836,-152"/>
 <text text-anchor="middle" x="760.5" y="-118" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- D&#45;&gt;HEAD -->
@@ -136,7 +136,7 @@
 <!-- v1_1 -->
 <g id="node10" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
 <text text-anchor="middle" x="1429.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
@@ -148,7 +148,7 @@
 <!-- repro -->
 <g id="node11" class="node">
 <title>repro</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
 <text text-anchor="middle" x="1652.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">repro</text>
 </g>
 <!-- R&#45;&gt;repro -->
diff --git a/images/bisect/bisect-cherry-pick-3.gv b/images/bisect/bisect-cherry-pick-3.gv
index 3ce3db7..a30b069 100644
--- a/images/bisect/bisect-cherry-pick-3.gv
+++ b/images/bisect/bisect-cherry-pick-3.gv
@@ -35,7 +35,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -69,7 +69,7 @@ digraph Git {
   // No cluster draws label below.
   {
     rank=same
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     R_ -> HEAD
   }
 
diff --git a/images/bisect/bisect-cherry-pick-3.svg b/images/bisect/bisect-cherry-pick-3.svg
index aa845db..898ec88 100644
--- a/images/bisect/bisect-cherry-pick-3.svg
+++ b/images/bisect/bisect-cherry-pick-3.svg
@@ -38,7 +38,7 @@
 <!-- v1_0 -->
 <g id="node10" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
 <text text-anchor="middle" x="91.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -134,7 +134,7 @@
 <!-- v1_1 -->
 <g id="node11" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
 <text text-anchor="middle" x="1429.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
@@ -146,7 +146,7 @@
 <!-- repro -->
 <g id="node12" class="node">
 <title>repro</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
 <text text-anchor="middle" x="1652.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">repro</text>
 </g>
 <!-- R&#45;&gt;repro -->
@@ -158,7 +158,7 @@
 <!-- HEAD -->
 <g id="node14" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="1059,-58 908,-58 908,0 1059,0 1059,-58"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="1059,-58 908,-58 908,0 1059,0 1059,-58"/>
 <text text-anchor="middle" x="983.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- R_&#45;&gt;HEAD -->
diff --git a/images/bisect/bisect-cherry-pick-4.gv b/images/bisect/bisect-cherry-pick-4.gv
index 9f9004f..20db419 100644
--- a/images/bisect/bisect-cherry-pick-4.gv
+++ b/images/bisect/bisect-cherry-pick-4.gv
@@ -32,7 +32,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -66,7 +66,7 @@ digraph Git {
     // No cluster draws label below.
   {
     rank=same
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     B -> HEAD
   }
 
diff --git a/images/bisect/bisect-cherry-pick-4.svg b/images/bisect/bisect-cherry-pick-4.svg
index 184758a..d47d3ab 100644
--- a/images/bisect/bisect-cherry-pick-4.svg
+++ b/images/bisect/bisect-cherry-pick-4.svg
@@ -8,15 +8,15 @@
  viewBox="0.00 0.00 1752.00 458.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 454)">
 <title>Git</title>
+<g id="clust5" class="cluster">
+<title>cluster_repro</title>
+</g>
 <g id="clust1" class="cluster">
 <title>cluster_v1_0</title>
 </g>
 <g id="clust3" class="cluster">
 <title>cluster_v1_1</title>
 </g>
-<g id="clust5" class="cluster">
-<title>cluster_repro</title>
-</g>
 <!-- A -->
 <g id="node1" class="node">
 <title>A</title>
@@ -38,7 +38,7 @@
 <!-- v1_0 -->
 <g id="node9" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
 <text text-anchor="middle" x="91.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -62,7 +62,7 @@
 <!-- HEAD -->
 <g id="node13" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="390,-152 239,-152 239,-94 390,-94 390,-152"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="390,-152 239,-152 239,-94 390,-94 390,-152"/>
 <text text-anchor="middle" x="314.5" y="-118" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- B&#45;&gt;HEAD -->
@@ -136,7 +136,7 @@
 <!-- v1_1 -->
 <g id="node10" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
 <text text-anchor="middle" x="1429.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
@@ -148,7 +148,7 @@
 <!-- repro -->
 <g id="node11" class="node">
 <title>repro</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
 <text text-anchor="middle" x="1652.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">repro</text>
 </g>
 <!-- R&#45;&gt;repro -->
diff --git a/images/bisect/bisect-cherry-pick-5.gv b/images/bisect/bisect-cherry-pick-5.gv
index 7af6734..e881d5b 100644
--- a/images/bisect/bisect-cherry-pick-5.gv
+++ b/images/bisect/bisect-cherry-pick-5.gv
@@ -35,7 +35,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -69,7 +69,7 @@ digraph Git {
   // No cluster draws label below.
   {
     rank=same
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     R__ -> HEAD
   }
 
diff --git a/images/bisect/bisect-cherry-pick-5.svg b/images/bisect/bisect-cherry-pick-5.svg
index 75b908b..f3ee545 100644
--- a/images/bisect/bisect-cherry-pick-5.svg
+++ b/images/bisect/bisect-cherry-pick-5.svg
@@ -8,15 +8,15 @@
  viewBox="0.00 0.00 1752.00 458.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 454)">
 <title>Git</title>
-<g id="clust1" class="cluster">
-<title>cluster_v1_0</title>
-</g>
 <g id="clust3" class="cluster">
 <title>cluster_v1_1</title>
 </g>
 <g id="clust5" class="cluster">
 <title>cluster_repro</title>
 </g>
+<g id="clust1" class="cluster">
+<title>cluster_v1_0</title>
+</g>
 <!-- A -->
 <g id="node1" class="node">
 <title>A</title>
@@ -38,7 +38,7 @@
 <!-- v1_0 -->
 <g id="node10" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
 <text text-anchor="middle" x="91.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -134,7 +134,7 @@
 <!-- v1_1 -->
 <g id="node11" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1505,-340 1354,-340 1354,-282 1505,-282 1505,-340"/>
 <text text-anchor="middle" x="1429.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- G&#45;&gt;v1_1 -->
@@ -146,7 +146,7 @@
 <!-- repro -->
 <g id="node12" class="node">
 <title>repro</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1728,-340 1577,-340 1577,-282 1728,-282 1728,-340"/>
 <text text-anchor="middle" x="1652.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">repro</text>
 </g>
 <!-- R&#45;&gt;repro -->
@@ -158,7 +158,7 @@
 <!-- HEAD -->
 <g id="node14" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="613,-58 462,-58 462,0 613,0 613,-58"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="613,-58 462,-58 462,0 613,0 613,-58"/>
 <text text-anchor="middle" x="537.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- R__&#45;&gt;HEAD -->
diff --git a/images/branching-strategies/feature-branches.gv b/images/branching-strategies/feature-branches.gv
index f44444e..5f6db5a 100644
--- a/images/branching-strategies/feature-branches.gv
+++ b/images/branching-strategies/feature-branches.gv
@@ -24,7 +24,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/branching-strategies/feature-branches.svg b/images/branching-strategies/feature-branches.svg
index 9b1e8c1..6c99a07 100644
--- a/images/branching-strategies/feature-branches.svg
+++ b/images/branching-strategies/feature-branches.svg
@@ -61,7 +61,7 @@
 <!-- master -->
 <g id="node6" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="374,-332 223,-332 223,-276 374,-276 374,-332"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="374,-332 223,-332 223,-276 374,-276 374,-332"/>
 <text text-anchor="middle" x="298.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- B&#45;&gt;master -->
@@ -73,7 +73,7 @@
 <!-- develop -->
 <g id="node7" class="node">
 <title>develop</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
 <text text-anchor="middle" x="521.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">develop</text>
 </g>
 <!-- E&#45;&gt;develop -->
@@ -97,7 +97,7 @@
 <!-- ruby_client -->
 <g id="node8" class="node">
 <title>ruby_client</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="830,-56 669,-56 669,0 830,0 830,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="830,-56 669,-56 669,0 830,0 830,-56"/>
 <text text-anchor="middle" x="749.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">ruby_client</text>
 </g>
 <!-- D&#45;&gt;ruby_client -->
diff --git a/images/branching/1-simple-history.gv b/images/branching/1-simple-history.gv
index 047f786..52a7818 100644
--- a/images/branching/1-simple-history.gv
+++ b/images/branching/1-simple-history.gv
@@ -23,7 +23,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
   A -> B -> C
 
   subgraph cluster_master {
diff --git a/images/branching/1-simple-history.svg b/images/branching/1-simple-history.svg
index d581d1b..1096c2f 100644
--- a/images/branching/1-simple-history.svg
+++ b/images/branching/1-simple-history.svg
@@ -44,7 +44,7 @@
 <!-- master -->
 <g id="node5" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-164 446,-164 446,-108 597,-108 597,-164"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-164 446,-164 446,-108 597,-108 597,-164"/>
 <text text-anchor="middle" x="521.5" y="-131" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
diff --git a/images/branching/2-HEAD.gv b/images/branching/2-HEAD.gv
index a75d457..96f1cc5 100644
--- a/images/branching/2-HEAD.gv
+++ b/images/branching/2-HEAD.gv
@@ -23,8 +23,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   A -> B -> C
 
diff --git a/images/branching/2-HEAD.svg b/images/branching/2-HEAD.svg
index a63c200..4c0b241 100644
--- a/images/branching/2-HEAD.svg
+++ b/images/branching/2-HEAD.svg
@@ -44,7 +44,7 @@
 <!-- master -->
 <g id="node5" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-164 446,-164 446,-108 597,-108 597,-164"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-164 446,-164 446,-108 597,-108 597,-164"/>
 <text text-anchor="middle" x="521.5" y="-131" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -56,7 +56,7 @@
 <!-- HEAD -->
 <g id="node4" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="597,-256 446,-256 446,-200 597,-200 597,-256"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="597,-256 446,-256 446,-200 597,-200 597,-256"/>
 <text text-anchor="middle" x="521.5" y="-223" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/branching/3-create-branch.gv b/images/branching/3-create-branch.gv
index 34c7ee4..0266937 100644
--- a/images/branching/3-create-branch.gv
+++ b/images/branching/3-create-branch.gv
@@ -23,8 +23,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   A -> B -> C
 
diff --git a/images/branching/3-create-branch.svg b/images/branching/3-create-branch.svg
index 7b97cd3..958d50a 100644
--- a/images/branching/3-create-branch.svg
+++ b/images/branching/3-create-branch.svg
@@ -45,7 +45,7 @@
 <!-- master -->
 <g id="node5" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-256 446,-256 446,-200 597,-200 597,-256"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-256 446,-256 446,-200 597,-200 597,-256"/>
 <text text-anchor="middle" x="521.5" y="-223" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -57,7 +57,7 @@
 <!-- topic -->
 <g id="node6" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-72 446,-72 446,-16 597,-16 597,-72"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-72 446,-72 446,-16 597,-16 597,-72"/>
 <text text-anchor="middle" x="521.5" y="-39" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- C&#45;&gt;topic -->
@@ -69,7 +69,7 @@
 <!-- HEAD -->
 <g id="node4" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="597,-348 446,-348 446,-292 597,-292 597,-348"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="597,-348 446,-348 446,-292 597,-292 597,-348"/>
 <text text-anchor="middle" x="521.5" y="-315" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/branching/4-switch-branch.gv b/images/branching/4-switch-branch.gv
index d191f18..be741fe 100644
--- a/images/branching/4-switch-branch.gv
+++ b/images/branching/4-switch-branch.gv
@@ -27,9 +27,9 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"
+        fillcolor="#2c942c"
        ]
-  HEAD [fillcolor="#c8a036"]
+  HEAD [fillcolor="#3e8f99"]
 
   X -> Y -> master [style=invis]
 
diff --git a/images/branching/4-switch-branch.svg b/images/branching/4-switch-branch.svg
index d7f9a2f..f49f856 100644
--- a/images/branching/4-switch-branch.svg
+++ b/images/branching/4-switch-branch.svg
@@ -14,7 +14,7 @@
 <!-- master -->
 <g id="node7" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
 <text text-anchor="middle" x="521.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- Y&#45;&gt;master -->
@@ -59,7 +59,7 @@
 <!-- topic -->
 <g id="node8" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-148 446,-148 446,-92 597,-92 597,-148"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-148 446,-148 446,-92 597,-92 597,-148"/>
 <text text-anchor="middle" x="521.5" y="-115" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- C&#45;&gt;topic -->
@@ -71,7 +71,7 @@
 <!-- HEAD -->
 <g id="node6" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="597,-56 446,-56 446,0 597,0 597,-56"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="597,-56 446,-56 446,0 597,0 597,-56"/>
 <text text-anchor="middle" x="521.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- topic&#45;&gt;HEAD -->
diff --git a/images/branching/5-advance-topic.gv b/images/branching/5-advance-topic.gv
index 711151c..e3b0511 100644
--- a/images/branching/5-advance-topic.gv
+++ b/images/branching/5-advance-topic.gv
@@ -24,8 +24,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   A -> B -> C -> D
 
diff --git a/images/branching/5-advance-topic.svg b/images/branching/5-advance-topic.svg
index 50be1e2..2e66bc6 100644
--- a/images/branching/5-advance-topic.svg
+++ b/images/branching/5-advance-topic.svg
@@ -56,7 +56,7 @@
 <!-- master -->
 <g id="node6" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
 <text text-anchor="middle" x="521.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -68,7 +68,7 @@
 <!-- topic -->
 <g id="node7" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-148 669,-148 669,-92 820,-92 820,-148"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-148 669,-148 669,-92 820,-92 820,-148"/>
 <text text-anchor="middle" x="744.5" y="-115" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- D&#45;&gt;topic -->
@@ -80,7 +80,7 @@
 <!-- HEAD -->
 <g id="node5" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="820,-56 669,-56 669,0 820,0 820,-56"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="820,-56 669,-56 669,0 820,0 820,-56"/>
 <text text-anchor="middle" x="744.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- topic&#45;&gt;HEAD -->
diff --git a/images/branching/6-back-to-master.gv b/images/branching/6-back-to-master.gv
index 36247af..aa7375e 100644
--- a/images/branching/6-back-to-master.gv
+++ b/images/branching/6-back-to-master.gv
@@ -24,8 +24,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   A -> B -> C -> D
 
diff --git a/images/branching/6-back-to-master.svg b/images/branching/6-back-to-master.svg
index 7bf8791..d8e7e21 100644
--- a/images/branching/6-back-to-master.svg
+++ b/images/branching/6-back-to-master.svg
@@ -56,7 +56,7 @@
 <!-- master -->
 <g id="node6" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-240 446,-240 446,-184 597,-184 597,-240"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-240 446,-240 446,-184 597,-184 597,-240"/>
 <text text-anchor="middle" x="521.5" y="-207" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -68,7 +68,7 @@
 <!-- topic -->
 <g id="node7" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-56 669,-56 669,0 820,0 820,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-56 669,-56 669,0 820,0 820,-56"/>
 <text text-anchor="middle" x="744.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- D&#45;&gt;topic -->
@@ -80,7 +80,7 @@
 <!-- HEAD -->
 <g id="node5" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
 <text text-anchor="middle" x="521.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/branching/7-advance-master.gv b/images/branching/7-advance-master.gv
index 02d8847..3e85a1a 100644
--- a/images/branching/7-advance-master.gv
+++ b/images/branching/7-advance-master.gv
@@ -25,8 +25,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_main {
     color=invis
diff --git a/images/branching/7-advance-master.svg b/images/branching/7-advance-master.svg
index b517024..e293928 100644
--- a/images/branching/7-advance-master.svg
+++ b/images/branching/7-advance-master.svg
@@ -77,7 +77,7 @@
 <!-- topic -->
 <g id="node8" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="836,-440 685,-440 685,-384 836,-384 836,-440"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="836,-440 685,-440 685,-384 836,-384 836,-440"/>
 <text text-anchor="middle" x="760.5" y="-407" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- D&#45;&gt;topic -->
@@ -89,13 +89,13 @@
 <!-- HEAD -->
 <g id="node6" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="836,-72 685,-72 685,-16 836,-16 836,-72"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="836,-72 685,-72 685,-16 836,-16 836,-72"/>
 <text text-anchor="middle" x="760.5" y="-39" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master -->
 <g id="node7" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="836,-164 685,-164 685,-108 836,-108 836,-164"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="836,-164 685,-164 685,-108 836,-108 836,-164"/>
 <text text-anchor="middle" x="760.5" y="-131" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- HEAD&#45;&gt;master -->
diff --git a/images/branching/8-detached-HEAD.gv b/images/branching/8-detached-HEAD.gv
index 28cae33..27f467c 100644
--- a/images/branching/8-detached-HEAD.gv
+++ b/images/branching/8-detached-HEAD.gv
@@ -23,8 +23,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   A -> B -> C
 
diff --git a/images/branching/8-detached-HEAD.svg b/images/branching/8-detached-HEAD.svg
index 96d939e..c6b3e4a 100644
--- a/images/branching/8-detached-HEAD.svg
+++ b/images/branching/8-detached-HEAD.svg
@@ -36,7 +36,7 @@
 <!-- HEAD -->
 <g id="node4" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="167,-164 16,-164 16,-108 167,-108 167,-164"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="167,-164 16,-164 16,-108 167,-108 167,-164"/>
 <text text-anchor="middle" x="91.5" y="-131" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- A&#45;&gt;HEAD -->
@@ -60,7 +60,7 @@
 <!-- master -->
 <g id="node5" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="613,-164 462,-164 462,-108 613,-108 613,-164"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="613,-164 462,-164 462,-108 613,-108 613,-164"/>
 <text text-anchor="middle" x="537.5" y="-131" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
diff --git a/images/branching/rebase-onto-1.gv b/images/branching/rebase-onto-1.gv
index e5ed3e2..9551045 100644
--- a/images/branching/rebase-onto-1.gv
+++ b/images/branching/rebase-onto-1.gv
@@ -26,7 +26,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/branching/rebase-onto-1.svg b/images/branching/rebase-onto-1.svg
index a060f8c..364bc8d 100644
--- a/images/branching/rebase-onto-1.svg
+++ b/images/branching/rebase-onto-1.svg
@@ -69,7 +69,7 @@
 <!-- master -->
 <g id="node10" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-516 669,-516 669,-460 820,-460 820,-516"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-516 669,-516 669,-460 820,-460 820,-516"/>
 <text text-anchor="middle" x="744.5" y="-483" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- F&#45;&gt;master -->
@@ -117,7 +117,7 @@
 <!-- server -->
 <g id="node11" class="node">
 <title>server</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-240 892,-240 892,-184 1043,-184 1043,-240"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-240 892,-240 892,-184 1043,-184 1043,-240"/>
 <text text-anchor="middle" x="967.5" y="-207" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">server</text>
 </g>
 <!-- I&#45;&gt;server -->
@@ -141,7 +141,7 @@
 <!-- client -->
 <g id="node12" class="node">
 <title>client</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
 <text text-anchor="middle" x="967.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">client</text>
 </g>
 <!-- H&#45;&gt;client -->
diff --git a/images/branching/rebase-onto-2.gv b/images/branching/rebase-onto-2.gv
index bce2d0d..b01dc1a 100644
--- a/images/branching/rebase-onto-2.gv
+++ b/images/branching/rebase-onto-2.gv
@@ -26,7 +26,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/branching/rebase-onto-2.svg b/images/branching/rebase-onto-2.svg
index 5ac83eb..b005c3b 100644
--- a/images/branching/rebase-onto-2.svg
+++ b/images/branching/rebase-onto-2.svg
@@ -37,7 +37,7 @@
 <!-- client -->
 <g id="node12" class="node">
 <title>client</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1266,-424 1115,-424 1115,-368 1266,-368 1266,-424"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1266,-424 1115,-424 1115,-368 1266,-368 1266,-424"/>
 <text text-anchor="middle" x="1190.5" y="-391" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">client</text>
 </g>
 <!-- Hr&#45;&gt;client -->
@@ -109,7 +109,7 @@
 <!-- master -->
 <g id="node10" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-424 669,-424 669,-368 820,-368 820,-424"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-424 669,-424 669,-368 820,-368 820,-424"/>
 <text text-anchor="middle" x="744.5" y="-391" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- F&#45;&gt;master -->
@@ -157,7 +157,7 @@
 <!-- server -->
 <g id="node11" class="node">
 <title>server</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-148 892,-148 892,-92 1043,-92 1043,-148"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-148 892,-148 892,-92 1043,-92 1043,-148"/>
 <text text-anchor="middle" x="967.5" y="-115" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">server</text>
 </g>
 <!-- I&#45;&gt;server -->
diff --git a/images/branching/rebase-onto-3.gv b/images/branching/rebase-onto-3.gv
index a0d0796..0da093c 100644
--- a/images/branching/rebase-onto-3.gv
+++ b/images/branching/rebase-onto-3.gv
@@ -28,7 +28,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/branching/rebase-onto-3.svg b/images/branching/rebase-onto-3.svg
index a0e5b91..aaf3f52 100644
--- a/images/branching/rebase-onto-3.svg
+++ b/images/branching/rebase-onto-3.svg
@@ -81,7 +81,7 @@
 <!-- master -->
 <g id="node10" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-608 669,-608 669,-552 820,-552 820,-608"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-608 669,-608 669,-552 820,-552 820,-608"/>
 <text text-anchor="middle" x="744.5" y="-575" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- F&#45;&gt;master -->
@@ -129,7 +129,7 @@
 <!-- server -->
 <g id="node11" class="node">
 <title>server</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-332 892,-332 892,-276 1043,-276 1043,-332"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-332 892,-332 892,-276 1043,-276 1043,-332"/>
 <text text-anchor="middle" x="967.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">server</text>
 </g>
 <!-- I&#45;&gt;server -->
@@ -153,7 +153,7 @@
 <!-- client -->
 <g id="node12" class="node">
 <title>client</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-56 669,-56 669,0 820,0 820,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-56 669,-56 669,0 820,0 820,-56"/>
 <text text-anchor="middle" x="744.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">client</text>
 </g>
 <!-- Hr&#45;&gt;client -->
diff --git a/images/integration/cherry-pick.gv b/images/integration/cherry-pick.gv
index b81f32f..d00014e 100644
--- a/images/integration/cherry-pick.gv
+++ b/images/integration/cherry-pick.gv
@@ -26,8 +26,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/integration/cherry-pick.svg b/images/integration/cherry-pick.svg
index c89b633..07778e4 100644
--- a/images/integration/cherry-pick.svg
+++ b/images/integration/cherry-pick.svg
@@ -21,7 +21,7 @@
 <!-- master -->
 <g id="node9" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-332 669,-332 669,-276 820,-276 820,-332"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-332 669,-332 669,-276 820,-276 820,-332"/>
 <text text-anchor="middle" x="744.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- Dr&#45;&gt;master -->
@@ -105,7 +105,7 @@
 <!-- topic -->
 <g id="node10" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
 <text text-anchor="middle" x="967.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- E&#45;&gt;topic -->
@@ -117,7 +117,7 @@
 <!-- HEAD -->
 <g id="node8" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="820,-424 669,-424 669,-368 820,-368 820,-424"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="820,-424 669,-424 669,-368 820,-368 820,-424"/>
 <text text-anchor="middle" x="744.5" y="-391" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/integration/diverged-history-merge.gv b/images/integration/diverged-history-merge.gv
index 328678c..0c8ac35 100644
--- a/images/integration/diverged-history-merge.gv
+++ b/images/integration/diverged-history-merge.gv
@@ -32,8 +32,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_master {
     style=invis
diff --git a/images/integration/diverged-history-merge.svg b/images/integration/diverged-history-merge.svg
index 1200179..7fc6c04 100644
--- a/images/integration/diverged-history-merge.svg
+++ b/images/integration/diverged-history-merge.svg
@@ -74,7 +74,7 @@
 <!-- master -->
 <g id="node11" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1266,-395 1115,-395 1115,-339 1266,-339 1266,-395"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1266,-395 1115,-395 1115,-339 1266,-339 1266,-395"/>
 <text text-anchor="middle" x="1190.5" y="-362" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- G&#45;&gt;master -->
@@ -123,7 +123,7 @@
 <!-- topic -->
 <g id="node12" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
 <text text-anchor="middle" x="967.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- E&#45;&gt;topic -->
@@ -135,7 +135,7 @@
 <!-- HEAD -->
 <g id="node10" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="1266,-487 1115,-487 1115,-431 1266,-431 1266,-487"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="1266,-487 1115,-487 1115,-431 1266,-431 1266,-487"/>
 <text text-anchor="middle" x="1190.5" y="-454" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/integration/diverged-history-rebase.gv b/images/integration/diverged-history-rebase.gv
index ae52481..f9ed8df 100644
--- a/images/integration/diverged-history-rebase.gv
+++ b/images/integration/diverged-history-rebase.gv
@@ -25,8 +25,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_topic {
     color=invis
diff --git a/images/integration/diverged-history-rebase.svg b/images/integration/diverged-history-rebase.svg
index 42c0d46..7f830f9 100644
--- a/images/integration/diverged-history-rebase.svg
+++ b/images/integration/diverged-history-rebase.svg
@@ -49,7 +49,7 @@
 <!-- topic -->
 <g id="node8" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1266,-240 1115,-240 1115,-184 1266,-184 1266,-240"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1266,-240 1115,-240 1115,-184 1266,-184 1266,-240"/>
 <text text-anchor="middle" x="1190.5" y="-207" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- Er&#45;&gt;topic -->
@@ -109,7 +109,7 @@
 <!-- master -->
 <g id="node9" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-240 446,-240 446,-184 597,-184 597,-240"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-240 446,-240 446,-184 597,-184 597,-240"/>
 <text text-anchor="middle" x="521.5" y="-207" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- F&#45;&gt;master -->
@@ -121,7 +121,7 @@
 <!-- HEAD -->
 <g id="node7" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="1266,-332 1115,-332 1115,-276 1266,-276 1266,-332"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="1266,-332 1115,-332 1115,-276 1266,-276 1266,-332"/>
 <text text-anchor="middle" x="1190.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- topic&#45;&gt;HEAD -->
diff --git a/images/integration/diverged-history.gv b/images/integration/diverged-history.gv
index 1573951..998d4c3 100644
--- a/images/integration/diverged-history.gv
+++ b/images/integration/diverged-history.gv
@@ -24,8 +24,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/integration/diverged-history.svg b/images/integration/diverged-history.svg
index a7f5dbc..2132ec0 100644
--- a/images/integration/diverged-history.svg
+++ b/images/integration/diverged-history.svg
@@ -57,7 +57,7 @@
 <!-- master -->
 <g id="node8" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
 <text text-anchor="middle" x="521.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- F&#45;&gt;master -->
@@ -93,7 +93,7 @@
 <!-- topic -->
 <g id="node9" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
 <text text-anchor="middle" x="967.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- E&#45;&gt;topic -->
@@ -105,7 +105,7 @@
 <!-- HEAD -->
 <g id="node7" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="597,-424 446,-424 446,-368 597,-368 597,-424"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="597,-424 446,-424 446,-368 597,-368 597,-424"/>
 <text text-anchor="middle" x="521.5" y="-391" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/integration/linear-history-merge.gv b/images/integration/linear-history-merge.gv
index d215c3f..5abcd42 100644
--- a/images/integration/linear-history-merge.gv
+++ b/images/integration/linear-history-merge.gv
@@ -21,8 +21,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_branches {
     color=invis
diff --git a/images/integration/linear-history-merge.svg b/images/integration/linear-history-merge.svg
index d4688ed..105edcf 100644
--- a/images/integration/linear-history-merge.svg
+++ b/images/integration/linear-history-merge.svg
@@ -69,7 +69,7 @@
 <!-- master -->
 <g id="node7" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-256 892,-256 892,-200 1043,-200 1043,-256"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-256 892,-256 892,-200 1043,-200 1043,-256"/>
 <text text-anchor="middle" x="967.5" y="-223" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- E&#45;&gt;master -->
@@ -81,7 +81,7 @@
 <!-- topic -->
 <g id="node8" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-72 892,-72 892,-16 1043,-16 1043,-72"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-72 892,-72 892,-16 1043,-16 1043,-72"/>
 <text text-anchor="middle" x="967.5" y="-39" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- E&#45;&gt;topic -->
@@ -93,7 +93,7 @@
 <!-- HEAD -->
 <g id="node6" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="1043,-348 892,-348 892,-292 1043,-292 1043,-348"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="1043,-348 892,-348 892,-292 1043,-292 1043,-348"/>
 <text text-anchor="middle" x="967.5" y="-315" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/integration/linear-history.gv b/images/integration/linear-history.gv
index 07c2506..dec2aa6 100644
--- a/images/integration/linear-history.gv
+++ b/images/integration/linear-history.gv
@@ -21,8 +21,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/integration/linear-history.svg b/images/integration/linear-history.svg
index aeb51f5..330c15f 100644
--- a/images/integration/linear-history.svg
+++ b/images/integration/linear-history.svg
@@ -57,7 +57,7 @@
 <!-- master -->
 <g id="node7" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-240 446,-240 446,-184 597,-184 597,-240"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-240 446,-240 446,-184 597,-184 597,-240"/>
 <text text-anchor="middle" x="521.5" y="-207" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -81,7 +81,7 @@
 <!-- topic -->
 <g id="node8" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
 <text text-anchor="middle" x="967.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- E&#45;&gt;topic -->
@@ -93,7 +93,7 @@
 <!-- HEAD -->
 <g id="node6" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="597,-332 446,-332 446,-276 597,-276 597,-332"/>
 <text text-anchor="middle" x="521.5" y="-299" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/integration/octopus-merge.gv b/images/integration/octopus-merge.gv
index 582f8e3..a6d1553 100644
--- a/images/integration/octopus-merge.gv
+++ b/images/integration/octopus-merge.gv
@@ -40,7 +40,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/integration/octopus-merge.svg b/images/integration/octopus-merge.svg
index 75d86c8..ed3e1bc 100644
--- a/images/integration/octopus-merge.svg
+++ b/images/integration/octopus-merge.svg
@@ -93,7 +93,7 @@
 <!-- master -->
 <g id="node11" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-716 892,-716 892,-658 1043,-658 1043,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-716 892,-716 892,-658 1043,-658 1043,-716"/>
 <text text-anchor="middle" x="967.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- M&#45;&gt;master -->
@@ -123,7 +123,7 @@
 <!-- perf -->
 <g id="node12" class="node">
 <title>perf</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
 <text text-anchor="middle" x="744.5" y="-400" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">perf</text>
 </g>
 <!-- E&#45;&gt;perf -->
@@ -153,7 +153,7 @@
 <!-- css -->
 <g id="node13" class="node">
 <title>css</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
 <text text-anchor="middle" x="744.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">css</text>
 </g>
 <!-- G&#45;&gt;css -->
@@ -183,7 +183,7 @@
 <!-- report -->
 <g id="node14" class="node">
 <title>report</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
 <text text-anchor="middle" x="744.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">report</text>
 </g>
 <!-- I&#45;&gt;report -->
diff --git a/images/integration/squash-merge.gv b/images/integration/squash-merge.gv
index 2b1f551..7f90624 100644
--- a/images/integration/squash-merge.gv
+++ b/images/integration/squash-merge.gv
@@ -32,8 +32,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/integration/squash-merge.svg b/images/integration/squash-merge.svg
index 44c36f6..37d133b 100644
--- a/images/integration/squash-merge.svg
+++ b/images/integration/squash-merge.svg
@@ -21,7 +21,7 @@
 <!-- master -->
 <g id="node11" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1287,-395 1136,-395 1136,-339 1287,-339 1287,-395"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1287,-395 1136,-395 1136,-339 1287,-339 1287,-395"/>
 <text text-anchor="middle" x="1211.5" y="-362" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- G&#45;&gt;master -->
@@ -118,7 +118,7 @@
 <!-- topic -->
 <g id="node12" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1043,-56 892,-56 892,0 1043,0 1043,-56"/>
 <text text-anchor="middle" x="967.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- E&#45;&gt;topic -->
@@ -130,7 +130,7 @@
 <!-- HEAD -->
 <g id="node10" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="1287,-487 1136,-487 1136,-431 1287,-431 1287,-487"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="1287,-487 1136,-487 1136,-431 1287,-431 1287,-487"/>
 <text text-anchor="middle" x="1211.5" y="-454" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/internals/branch-and-history.gv b/images/internals/branch-and-history.gv
index 62f6820..456ea2c 100644
--- a/images/internals/branch-and-history.gv
+++ b/images/internals/branch-and-history.gv
@@ -23,7 +23,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
   master
   tag [label="v1.0"]
   HEAD [fillcolor="#c8a036"]
diff --git a/images/internals/branch-and-history.svg b/images/internals/branch-and-history.svg
index 0a4346d..742ebc9 100644
--- a/images/internals/branch-and-history.svg
+++ b/images/internals/branch-and-history.svg
@@ -50,7 +50,7 @@
 <!-- tag -->
 <g id="node5" class="node">
 <title>tag</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="390,-256 239,-256 239,-200 390,-200 390,-256"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="390,-256 239,-256 239,-200 390,-200 390,-256"/>
 <text text-anchor="middle" x="314.5" y="-223" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- B&#45;&gt;tag -->
@@ -62,7 +62,7 @@
 <!-- master -->
 <g id="node4" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="613,-256 462,-256 462,-200 613,-200 613,-256"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="613,-256 462,-256 462,-200 613,-200 613,-256"/>
 <text text-anchor="middle" x="537.5" y="-223" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
diff --git a/images/internals/data-model-1.gv b/images/internals/data-model-1.gv
index 3a0b719..7cfbc2f 100644
--- a/images/internals/data-model-1.gv
+++ b/images/internals/data-model-1.gv
@@ -21,7 +21,7 @@ graph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
   master [style=invis
           label="refs/heads/master"
           pos="0,4!"]
diff --git a/images/internals/data-model-2.gv b/images/internals/data-model-2.gv
index 05dbc7d..0127f66 100644
--- a/images/internals/data-model-2.gv
+++ b/images/internals/data-model-2.gv
@@ -21,7 +21,7 @@ graph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
   master [style=invis
           label="refs/heads/master"
           pos="0,4!"]
diff --git a/images/internals/data-model-2.svg b/images/internals/data-model-2.svg
index afc1b21..d75b6fd 100644
--- a/images/internals/data-model-2.svg
+++ b/images/internals/data-model-2.svg
@@ -12,7 +12,7 @@
 <!-- tag -->
 <g id="node2" class="node">
 <title>tag</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="228,-245 5,-245 5,-189 228,-189 228,-245"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="228,-245 5,-245 5,-189 228,-189 228,-245"/>
 <text text-anchor="middle" x="116.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">refs/tags/v1.0</text>
 </g>
 <!-- A -->
diff --git a/images/internals/data-model-3.gv b/images/internals/data-model-3.gv
index 4f1eb09..fcfe2f3 100644
--- a/images/internals/data-model-3.gv
+++ b/images/internals/data-model-3.gv
@@ -21,7 +21,7 @@ graph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
   master [
           label="refs/heads/master"
           pos="0,4!"]
diff --git a/images/internals/data-model-3.svg b/images/internals/data-model-3.svg
index 1ad4e91..1973c9a 100644
--- a/images/internals/data-model-3.svg
+++ b/images/internals/data-model-3.svg
@@ -11,13 +11,13 @@
 <!-- master -->
 <g id="node1" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="233,-389 0,-389 0,-333 233,-333 233,-389"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="233,-389 0,-389 0,-333 233,-333 233,-389"/>
 <text text-anchor="middle" x="116.5" y="-356" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">refs/heads/master</text>
 </g>
 <!-- tag -->
 <g id="node2" class="node">
 <title>tag</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="228,-245 5,-245 5,-189 228,-189 228,-245"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="228,-245 5,-245 5,-189 228,-189 228,-245"/>
 <text text-anchor="middle" x="116.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">refs/tags/v1.0</text>
 </g>
 <!-- A -->
diff --git a/images/pu/pu-1.gv b/images/pu/pu-1.gv
index 628b204..a7f654b 100644
--- a/images/pu/pu-1.gv
+++ b/images/pu/pu-1.gv
@@ -47,7 +47,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/pu/pu-1.svg b/images/pu/pu-1.svg
index fb97098..8299d24 100644
--- a/images/pu/pu-1.svg
+++ b/images/pu/pu-1.svg
@@ -87,7 +87,7 @@
 <!-- master -->
 <g id="node13" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
 <text text-anchor="middle" x="521.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -118,7 +118,7 @@
 <!-- perf -->
 <g id="node15" class="node">
 <title>perf</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
 <text text-anchor="middle" x="744.5" y="-400" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ perf</text>
 </g>
 <!-- E&#45;&gt;perf -->
@@ -143,7 +143,7 @@
 <!-- layout -->
 <g id="node16" class="node">
 <title>layout</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
 <text text-anchor="middle" x="744.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ css</text>
 </g>
 <!-- G&#45;&gt;layout -->
@@ -168,7 +168,7 @@
 <!-- report -->
 <g id="node17" class="node">
 <title>report</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
 <text text-anchor="middle" x="744.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ report</text>
 </g>
 <!-- I&#45;&gt;report -->
diff --git a/images/pu/pu-2.gv b/images/pu/pu-2.gv
index 21f007e..e247a72 100644
--- a/images/pu/pu-2.gv
+++ b/images/pu/pu-2.gv
@@ -47,7 +47,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   pu_visible [label="🎲 pu"]
   C -> pu_visible [weight=5]
diff --git a/images/pu/pu-2.svg b/images/pu/pu-2.svg
index 514ffa6..e9255dd 100644
--- a/images/pu/pu-2.svg
+++ b/images/pu/pu-2.svg
@@ -85,7 +85,7 @@
 <!-- pu_visible -->
 <g id="node13" class="node">
 <title>pu_visible</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-622 669,-622 669,-564 820,-564 820,-622"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-622 669,-622 669,-564 820,-564 820,-622"/>
 <text text-anchor="middle" x="744.5" y="-588" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">🎲 pu</text>
 </g>
 <!-- C&#45;&gt;pu_visible -->
@@ -97,7 +97,7 @@
 <!-- master -->
 <g id="node14" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
 <text text-anchor="middle" x="521.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -129,7 +129,7 @@
 <!-- perf -->
 <g id="node16" class="node">
 <title>perf</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
 <text text-anchor="middle" x="744.5" y="-400" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ perf</text>
 </g>
 <!-- E&#45;&gt;perf -->
@@ -154,7 +154,7 @@
 <!-- layout -->
 <g id="node17" class="node">
 <title>layout</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
 <text text-anchor="middle" x="744.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ css</text>
 </g>
 <!-- G&#45;&gt;layout -->
@@ -179,7 +179,7 @@
 <!-- report -->
 <g id="node18" class="node">
 <title>report</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
 <text text-anchor="middle" x="744.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ report</text>
 </g>
 <!-- I&#45;&gt;report -->
diff --git a/images/pu/pu-3.gv b/images/pu/pu-3.gv
index d6bd0c9..60db4c0 100644
--- a/images/pu/pu-3.gv
+++ b/images/pu/pu-3.gv
@@ -43,7 +43,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/pu/pu-3.svg b/images/pu/pu-3.svg
index 34a30d6..09c1f1d 100644
--- a/images/pu/pu-3.svg
+++ b/images/pu/pu-3.svg
@@ -97,7 +97,7 @@
 <!-- master -->
 <g id="node13" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
 <text text-anchor="middle" x="521.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -133,7 +133,7 @@
 <!-- pu -->
 <g id="node14" class="node">
 <title>pu</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1518,-716 1367,-716 1367,-658 1518,-658 1518,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1518,-716 1367,-716 1367,-658 1518,-658 1518,-716"/>
 <text text-anchor="middle" x="1442.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">💩 pu</text>
 </g>
 <!-- M3&#45;&gt;pu -->
@@ -163,7 +163,7 @@
 <!-- perf -->
 <g id="node15" class="node">
 <title>perf</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
 <text text-anchor="middle" x="744.5" y="-400" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ perf</text>
 </g>
 <!-- E&#45;&gt;perf -->
@@ -193,7 +193,7 @@
 <!-- layout -->
 <g id="node16" class="node">
 <title>layout</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
 <text text-anchor="middle" x="744.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ css</text>
 </g>
 <!-- G&#45;&gt;layout -->
@@ -223,7 +223,7 @@
 <!-- report -->
 <g id="node17" class="node">
 <title>report</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
 <text text-anchor="middle" x="744.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ report</text>
 </g>
 <!-- I&#45;&gt;report -->
diff --git a/images/pu/pu-4.gv b/images/pu/pu-4.gv
index dfbf29e..908174a 100644
--- a/images/pu/pu-4.gv
+++ b/images/pu/pu-4.gv
@@ -47,7 +47,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   pu_visible [label="🎲 pu"]
   C -> pu_visible [weight=5]
diff --git a/images/pu/pu-4.svg b/images/pu/pu-4.svg
index e6aed15..b998524 100644
--- a/images/pu/pu-4.svg
+++ b/images/pu/pu-4.svg
@@ -85,7 +85,7 @@
 <!-- pu_visible -->
 <g id="node13" class="node">
 <title>pu_visible</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-622 669,-622 669,-564 820,-564 820,-622"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-622 669,-622 669,-564 820,-564 820,-622"/>
 <text text-anchor="middle" x="744.5" y="-588" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">🎲 pu</text>
 </g>
 <!-- C&#45;&gt;pu_visible -->
@@ -97,7 +97,7 @@
 <!-- master -->
 <g id="node14" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
 <text text-anchor="middle" x="521.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -129,7 +129,7 @@
 <!-- perf -->
 <g id="node16" class="node">
 <title>perf</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
 <text text-anchor="middle" x="744.5" y="-400" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ perf</text>
 </g>
 <!-- E&#45;&gt;perf -->
@@ -154,7 +154,7 @@
 <!-- layout -->
 <g id="node17" class="node">
 <title>layout</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
 <text text-anchor="middle" x="744.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ css</text>
 </g>
 <!-- G&#45;&gt;layout -->
@@ -179,7 +179,7 @@
 <!-- report -->
 <g id="node18" class="node">
 <title>report</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
 <text text-anchor="middle" x="744.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ report</text>
 </g>
 <!-- I&#45;&gt;report -->
diff --git a/images/pu/pu-5.gv b/images/pu/pu-5.gv
index 187b481..159ac88 100644
--- a/images/pu/pu-5.gv
+++ b/images/pu/pu-5.gv
@@ -46,7 +46,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/pu/pu-5.svg b/images/pu/pu-5.svg
index 2676dc8..1eebe02 100644
--- a/images/pu/pu-5.svg
+++ b/images/pu/pu-5.svg
@@ -104,7 +104,7 @@
 <!-- master -->
 <g id="node13" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-716 446,-716 446,-658 597,-658 597,-716"/>
 <text text-anchor="middle" x="521.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- C&#45;&gt;master -->
@@ -145,7 +145,7 @@
 <!-- pu -->
 <g id="node14" class="node">
 <title>pu</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1518,-716 1367,-716 1367,-658 1518,-658 1518,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1518,-716 1367,-716 1367,-658 1518,-658 1518,-716"/>
 <text text-anchor="middle" x="1442.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ pu</text>
 </g>
 <!-- M3&#45;&gt;pu -->
@@ -176,7 +176,7 @@
 <!-- perf -->
 <g id="node15" class="node">
 <title>perf</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
 <text text-anchor="middle" x="744.5" y="-400" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ perf</text>
 </g>
 <!-- E&#45;&gt;perf -->
@@ -206,7 +206,7 @@
 <!-- layout -->
 <g id="node16" class="node">
 <title>layout</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
 <text text-anchor="middle" x="744.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ css</text>
 </g>
 <!-- G&#45;&gt;layout -->
@@ -236,7 +236,7 @@
 <!-- report -->
 <g id="node17" class="node">
 <title>report</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
 <text text-anchor="middle" x="744.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ report</text>
 </g>
 <!-- I&#45;&gt;report -->
diff --git a/images/pu/pu-6.gv b/images/pu/pu-6.gv
index 8a6c62c..25611ed 100644
--- a/images/pu/pu-6.gv
+++ b/images/pu/pu-6.gv
@@ -46,7 +46,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/pu/pu-6.svg b/images/pu/pu-6.svg
index c00bbad..0eae42f 100644
--- a/images/pu/pu-6.svg
+++ b/images/pu/pu-6.svg
@@ -124,7 +124,7 @@
 <!-- master -->
 <g id="node13" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1518,-716 1367,-716 1367,-658 1518,-658 1518,-716"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1518,-716 1367,-716 1367,-658 1518,-658 1518,-716"/>
 <text text-anchor="middle" x="1442.5" y="-682" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- M3&#45;&gt;master -->
@@ -150,7 +150,7 @@
 <!-- perf -->
 <g id="node14" class="node">
 <title>perf</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-434 669,-434 669,-376 820,-376 820,-434"/>
 <text text-anchor="middle" x="744.5" y="-400" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ perf</text>
 </g>
 <!-- E&#45;&gt;perf -->
@@ -180,7 +180,7 @@
 <!-- layout -->
 <g id="node15" class="node">
 <title>layout</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-246 669,-246 669,-188 820,-188 820,-246"/>
 <text text-anchor="middle" x="744.5" y="-212" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ css</text>
 </g>
 <!-- G&#45;&gt;layout -->
@@ -210,7 +210,7 @@
 <!-- report -->
 <g id="node16" class="node">
 <title>report</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="820,-58 669,-58 669,0 820,0 820,-58"/>
 <text text-anchor="middle" x="744.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">✅ report</text>
 </g>
 <!-- I&#45;&gt;report -->
diff --git a/images/rewriting/amend.gv b/images/rewriting/amend.gv
index 5b6c47b..7002a86 100644
--- a/images/rewriting/amend.gv
+++ b/images/rewriting/amend.gv
@@ -17,8 +17,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"]
-  HEAD [fillcolor="#c8a036"]
-  master [fillcolor="#e93a1d"]
+  HEAD [fillcolor="#3e8f99"]
+  master [fillcolor="#2c942c"]
 
   node [style="rounded,filled"
         fillcolor="#f0efe8"
diff --git a/images/rewriting/amend.svg b/images/rewriting/amend.svg
index 3d660ed..a3d63c2 100644
--- a/images/rewriting/amend.svg
+++ b/images/rewriting/amend.svg
@@ -11,13 +11,13 @@
 <!-- HEAD -->
 <g id="node1" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="597,-56 446,-56 446,0 597,0 597,-56"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="597,-56 446,-56 446,0 597,0 597,-56"/>
 <text text-anchor="middle" x="521.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master -->
 <g id="node2" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="597,-148 446,-148 446,-92 597,-92 597,-148"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="597,-148 446,-148 446,-92 597,-92 597,-148"/>
 <text text-anchor="middle" x="521.5" y="-115" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/rewriting/interactive-rebase.gv b/images/rewriting/interactive-rebase.gv
index b4046a8..eefe9c8 100644
--- a/images/rewriting/interactive-rebase.gv
+++ b/images/rewriting/interactive-rebase.gv
@@ -17,8 +17,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"]
-  HEAD [fillcolor="#c8a036"]
-  topic [fillcolor="#e93a1d"]
+  HEAD [fillcolor="#3e8f99"]
+  topic [fillcolor="#2c942c"]
 
   node [style="rounded,filled"
         fillcolor="#f0efe8"
diff --git a/images/rewriting/interactive-rebase.svg b/images/rewriting/interactive-rebase.svg
index fe1d232..0de6cf3 100644
--- a/images/rewriting/interactive-rebase.svg
+++ b/images/rewriting/interactive-rebase.svg
@@ -11,13 +11,13 @@
 <!-- HEAD -->
 <g id="node1" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="1243,-56 1092,-56 1092,0 1243,0 1243,-56"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="1243,-56 1092,-56 1092,0 1243,0 1243,-56"/>
 <text text-anchor="middle" x="1167.5" y="-23" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- topic -->
 <g id="node2" class="node">
 <title>topic</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1243,-148 1092,-148 1092,-92 1243,-92 1243,-148"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1243,-148 1092,-148 1092,-92 1243,-92 1243,-148"/>
 <text text-anchor="middle" x="1167.5" y="-115" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">topic</text>
 </g>
 <!-- topic&#45;&gt;HEAD -->
diff --git a/images/rewriting/reset.gv b/images/rewriting/reset.gv
index 459af62..13ba2dc 100644
--- a/images/rewriting/reset.gv
+++ b/images/rewriting/reset.gv
@@ -21,8 +21,8 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
-  HEAD [fillcolor="#c8a036"]
+        fillcolor="#2c942c"]
+  HEAD [fillcolor="#3e8f99"]
 
   subgraph cluster_master {
     color=invis
diff --git a/images/rewriting/reset.svg b/images/rewriting/reset.svg
index af3b707..9c1db8f 100644
--- a/images/rewriting/reset.svg
+++ b/images/rewriting/reset.svg
@@ -33,7 +33,7 @@
 <!-- master -->
 <g id="node4" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="374,-164 223,-164 223,-108 374,-108 374,-164"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="374,-164 223,-164 223,-108 374,-108 374,-164"/>
 <text text-anchor="middle" x="298.5" y="-131" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- B&#45;&gt;master -->
@@ -57,7 +57,7 @@
 <!-- HEAD -->
 <g id="node3" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="374,-256 223,-256 223,-200 374,-200 374,-256"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="374,-256 223,-256 223,-200 374,-200 374,-256"/>
 <text text-anchor="middle" x="298.5" y="-223" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->
diff --git a/images/rewriting/revert.gv b/images/rewriting/revert.gv
index 1ba6759..4bf1b51 100644
--- a/images/rewriting/revert.gv
+++ b/images/rewriting/revert.gv
@@ -26,7 +26,7 @@ digraph Git {
 
   node [style="filled"
         fontcolor="#ffffff"
-        fillcolor="#e93a1d"]
+        fillcolor="#2c942c"]
 
   subgraph cluster_v1_0 {
     style=invis
@@ -50,7 +50,7 @@ digraph Git {
   {
     rank=same
     Br -> master
-    HEAD [fillcolor="#c8a036"]
+    HEAD [fillcolor="#3e8f99"]
     master -> HEAD
   }
 }
diff --git a/images/rewriting/revert.svg b/images/rewriting/revert.svg
index 0a784b1..42f1fac 100644
--- a/images/rewriting/revert.svg
+++ b/images/rewriting/revert.svg
@@ -41,7 +41,7 @@
 <!-- master -->
 <g id="node9" class="node">
 <title>master</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1282,-152 1131,-152 1131,-94 1282,-94 1282,-152"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1282,-152 1131,-152 1131,-94 1282,-94 1282,-152"/>
 <text text-anchor="middle" x="1206.5" y="-118" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">master</text>
 </g>
 <!-- Br&#45;&gt;master -->
@@ -65,7 +65,7 @@
 <!-- v1_0 -->
 <g id="node7" class="node">
 <title>v1_0</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="167,-340 16,-340 16,-282 167,-282 167,-340"/>
 <text text-anchor="middle" x="91.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.0</text>
 </g>
 <!-- A&#45;&gt;v1_0 -->
@@ -107,7 +107,7 @@
 <!-- v1_1 -->
 <g id="node8" class="node">
 <title>v1_1</title>
-<polygon fill="#e93a1d" stroke="black" stroke-width="0" points="1059,-340 908,-340 908,-282 1059,-282 1059,-340"/>
+<polygon fill="#2c942c" stroke="black" stroke-width="0" points="1059,-340 908,-340 908,-282 1059,-282 1059,-340"/>
 <text text-anchor="middle" x="983.5" y="-306" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">v1.1</text>
 </g>
 <!-- E&#45;&gt;v1_1 -->
@@ -119,7 +119,7 @@
 <!-- HEAD -->
 <g id="node10" class="node">
 <title>HEAD</title>
-<polygon fill="#c8a036" stroke="black" stroke-width="0" points="1282,-58 1131,-58 1131,0 1282,0 1282,-58"/>
+<polygon fill="#3e8f99" stroke="black" stroke-width="0" points="1282,-58 1131,-58 1131,0 1282,0 1282,-58"/>
 <text text-anchor="middle" x="1206.5" y="-24" font-family="Menlo, Monaco, Consolas, Lucida Console, Courier New, monospace" font-size="20.00" fill="#ffffff">HEAD</text>
 </g>
 <!-- master&#45;&gt;HEAD -->