The hex color #c5e15e is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#3A1EA1. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#F8FF91, and Hex
#92AE2B is the 20% darker color. If the color is saturated by 10%, you get
#C8E656. If the color is desaturated by 10%, the color
#C3DC66 is obtained.