The hex color #e8cc20 is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#1733DF. The grayscale version is
#9C9C9C. A 20% lighter version of the original color is
#FFFF53, and Hex
#B59900 is the 20% darker color. If the color is saturated by 10%, you get
#F0D114. If the color is desaturated by 10%, the color
#E0C72C is obtained.