The hex color #c8f03e is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#370FC1. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#FBFF71, and Hex
#95BD0B is the 20% darker color. If the color is saturated by 10%, you get
#CBF733. If the color is desaturated by 10%, the color
#C5E949 is obtained.