The hex color #e8f12e is a light color. The web-safe version is Hex
#FFFF33. A complementary color is
#170ED1. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#FFFF61, and Hex
#B5BE00 is the 20% darker color. If the color is saturated by 10%, you get
#EEF821. If the color is desaturated by 10%, the color
#E2EA3B is obtained.