The hex color #e8d145 is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#172EBA. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#FFFF78, and Hex
#B59E12 is the 20% darker color. If the color is saturated by 10%, you get
#EED53B. If the color is desaturated by 10%, the color
#E2CD4F is obtained.