The hex color #c8f72f is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#3708D0. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#FBFF62, and Hex
#95C400 is the 20% darker color. If the color is saturated by 10%, you get
#CCFF23. If the color is desaturated by 10%, the color
#C4EF3B is obtained.