The hex color #e1de1e is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#1E21E1. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#FFFF51, and Hex
#AEAB00 is the 20% darker color. If the color is saturated by 10%, you get
#E8E411. If the color is desaturated by 10%, the color
#DAD82B is obtained.