The hex color #c4f28e is a light color. The web-safe version is Hex
#CCFF99. A complementary color is
#3B0D71. The grayscale version is
#C1C1C1. A 20% lighter version of the original color is
#F7FFC1, and Hex
#91BF5B is the 20% darker color. If the color is saturated by 10%, you get
#C4F789. If the color is desaturated by 10%, the color
#C4ED93 is obtained.