The hex color #c3f63f is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#3C09C0. The grayscale version is
#A8A8A8. A 20% lighter version of the original color is
#F6FF72, and Hex
#90C30C is the 20% darker color. If the color is saturated by 10%, you get
#C6FE35. If the color is desaturated by 10%, the color
#C0EE4A is obtained.