Level: Medium
Description:
I have fixed all my previous mistakes, so there's no way you'll be able to see my flags!
[pixels.png]
The flag and the highlight are close in color, but not quite the same (highlight #000000, and flag is #060606). Modifying the contrast in the photo to extreme levels will reveal the pixels of the flag.
Flag - byuctf{m4k3_sur3_highlighting_is_th3_s4m3_color}