The hex color #c6f43e is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#390BC1. The grayscale version is
#A8A8A8. A 20% lighter version of the original color is
#F9FF71, and Hex
#93C10B is the 20% darker color. If the color is saturated by 10%, you get
#C9FC33. If the color is desaturated by 10%, the color
#C3EC49 is obtained.