diff --git a/Sources/FaceLiveness/ThemeManager.swift b/Sources/FaceLiveness/ThemeManager.swift
new file mode 100644
index 00000000..630debc1
--- /dev/null
+++ b/Sources/FaceLiveness/ThemeManager.swift
@@ -0,0 +1,99 @@
+//
+// Copyright Amazon.com Inc. or its affiliates.
+// All Rights Reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+import SwiftUI
+
+public class ThemeManager {
+	public static var shared = ThemeManager()
+
+	// Public properties with default values
+	public var livenessPrimaryBackground = Color.dynamicColors(
+		light: .hex("#047D95"),
+		dark: .hex("#7DD6E8")
+	)
+
+	public var livenessPrimaryLabel = Color.dynamicColors(
+		light: .white,
+		dark: .hex("#0D1926")
+	)
+
+	public var livenessBackground = Color.dynamicColors(
+		light: .white,
+		dark: .hex("#0D1926")
+	)
+
+	public var livenessLabel = Color.dynamicColors(
+		light: .black,
+		dark: .white
+	)
+
+	public var livenessErrorBackground = Color.dynamicColors(
+		light: .hex("#950404"),
+		dark: .hex("#EF8F8F")
+	)
+
+	public var livenessErrorLabel = Color.dynamicColors(
+		light: .white,
+		dark: .black
+	)
+
+	public var livenessWarningBackground = Color.dynamicColors(
+		light: .hex("#B8CEF9"),
+		dark: .hex("#663300")
+	)
+
+	public var livenessWarningLabel = Color.dynamicColors(
+		light: .hex("#002266"),
+		dark: .hex("#EFBF8F")
+	)
+
+	public var livenessPreviewBorder = Color.dynamicColors(
+		light: .hex("#AEB3B7"),
+		dark: .white
+	)
+}
+
+
+extension ThemeManager {
+	
+	// Public functions to modify the colors
+	public func setLivenessPrimaryBackground(light: Color, dark: Color) {
+		livenessPrimaryBackground = Color.dynamicColors(light: light, dark: dark)
+	}
+	
+	public func setLivenessPrimaryLabel(light: Color, dark: Color) {
+		livenessPrimaryLabel = Color.dynamicColors(light: light, dark: dark)
+	}
+	
+	public func setLivenessBackground(light: Color, dark: Color) {
+		livenessBackground = Color.dynamicColors(light: light, dark: dark)
+	}
+	
+	public func setLivenessLabel(light: Color, dark: Color) {
+		livenessLabel = Color.dynamicColors(light: light, dark: dark)
+	}
+	
+	public func setLivenessErrorBackground(light: Color, dark: Color) {
+		livenessErrorBackground = Color.dynamicColors(light: light, dark: dark)
+	}
+	
+	public func setLivenessErrorLabel(light: Color, dark: Color) {
+		livenessErrorLabel = Color.dynamicColors(light: light, dark: dark)
+	}
+	
+	public func setLivenessWarningBackground(light: Color, dark: Color) {
+		livenessWarningBackground = Color.dynamicColors(light: light, dark: dark)
+	}
+	
+	public func setLivenessWarningLabel(light: Color, dark: Color) {
+		livenessWarningLabel = Color.dynamicColors(light: light, dark: dark)
+	}
+	
+	public func setLivenessPreviewBorder(light: Color, dark: Color) {
+		livenessPreviewBorder = Color.dynamicColors(light: light, dark: dark)
+	}
+	// Add similar functions for other colors as needed...
+}
diff --git a/Sources/FaceLiveness/Utilities/Color+DynamicColors.swift b/Sources/FaceLiveness/Utilities/Color+DynamicColors.swift
index 63896981..1818c80d 100644
--- a/Sources/FaceLiveness/Utilities/Color+DynamicColors.swift
+++ b/Sources/FaceLiveness/Utilities/Color+DynamicColors.swift
@@ -9,13 +9,13 @@ import UIKit
 import SwiftUI
 
 extension Color {
-    static func dynamicColors(light: UIColor, dark: UIColor) -> Color {
+    static func dynamicColors(light: Color, dark: Color) -> Color {
         Color(
             UIColor(
                 dynamicProvider: { traitCollection in
                     switch traitCollection.userInterfaceStyle {
-                    case .dark: return dark
-                    default: return light
+                    case .dark: return UIColor(dark)
+                    default: return UIColor(light)
                     }
                 }
             )
diff --git a/Sources/FaceLiveness/Utilities/Color+Liveness.swift b/Sources/FaceLiveness/Utilities/Color+Liveness.swift
index 6d998b58..e54b4817 100644
--- a/Sources/FaceLiveness/Utilities/Color+Liveness.swift
+++ b/Sources/FaceLiveness/Utilities/Color+Liveness.swift
@@ -5,51 +5,56 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// sample Usage
+// import AmplifyUILiveness
+
+//  Modify colors in the client app
+// ThemeManager.shared.setLivenessPrimaryBackground(
+//	 light: .red, // Example light color
+//	 dark: .blue  // Example dark color
+// )
+
+//  Access modified color
+//	let modifiedColor = Color.livenessPrimaryBackground
+
+
 import SwiftUI
 
 extension Color {
-    static let livenessPrimaryBackground = Color.dynamicColors(
-        light: .hex("#047D95"),
-        dark: .hex("#7DD6E8")
-    )
-
-    static let livenessPrimaryLabel = Color.dynamicColors(
-        light: .white,
-        dark: .hex("#0D1926")
-    )
-
-    static let livenessBackground = Color.dynamicColors(
-        light: .white,
-        dark: .hex("#0D1926")
-    )
-
-    static let livenessLabel = Color.dynamicColors(
-        light: .black,
-        dark: .white
-    )
-
-    static let livenessErrorBackground = Color.dynamicColors(
-        light: .hex("#950404"),
-        dark: .hex("#EF8F8F")
-    )
-
-    static let livenessErrorLabel = Color.dynamicColors(
-        light: .white,
-        dark: .black
-    )
-
-    static let livenessWarningBackground = Color.dynamicColors(
-        light: .hex("#B8CEF9"),
-        dark: .hex("#663300")
-    )
-
-    static let livenessWarningLabel = Color.dynamicColors(
-        light: .hex("#002266"),
-        dark: .hex("#EFBF8F")
-    )
-    
-    static let livenessPreviewBorder = Color.dynamicColors(
-        light: .hex("#AEB3B7"), 
-        dark: .white
-    )
+	public static var livenessPrimaryBackground: Color {
+		return ThemeManager.shared.livenessPrimaryBackground
+	}
+
+	public static var livenessPrimaryLabel: Color {
+		return ThemeManager.shared.livenessPrimaryLabel
+	}
+
+	public static var livenessBackground: Color {
+		return ThemeManager.shared.livenessBackground
+	}
+
+	public static var livenessLabel: Color {
+		return ThemeManager.shared.livenessLabel
+	}
+
+	public static var livenessErrorBackground: Color {
+		return ThemeManager.shared.livenessErrorBackground
+	}
+
+	public static var livenessErrorLabel: Color {
+		return ThemeManager.shared.livenessErrorLabel
+	}
+
+	public static var livenessWarningBackground: Color {
+		return ThemeManager.shared.livenessWarningBackground
+	}
+
+	public static var livenessWarningLabel: Color {
+		return ThemeManager.shared.livenessWarningLabel
+	}
+
+	public static var livenessPreviewBorder: Color {
+		return ThemeManager.shared.livenessPreviewBorder
+	}
 }
+
diff --git a/Sources/FaceLiveness/Views/Instruction/InstructionView.swift b/Sources/FaceLiveness/Views/Instruction/InstructionView.swift
index 5311387b..1799b07b 100644
--- a/Sources/FaceLiveness/Views/Instruction/InstructionView.swift
+++ b/Sources/FaceLiveness/Views/Instruction/InstructionView.swift
@@ -10,7 +10,7 @@ import SwiftUI
 struct InstructionView: View {
     let text: String
     let backgroundColor: Color
-    var textColor: Color = .livenessLabel
+    var textColor: Color = Color.livenessLabel
     var font: Font = .body
     
     var body: some View {