The hex color #e8d426 is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#172BD9. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#FFFF59, and Hex
#B5A100 is the 20% darker color. If the color is saturated by 10%, you get
#EFD91A. If the color is desaturated by 10%, the color
#E1CF32 is obtained.