The hex color #e4df1d is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#1B20E2. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#FFFF50, and Hex
#B1AC00 is the 20% darker color. If the color is saturated by 10%, you get
#EBE510. If the color is desaturated by 10%, the color
#DDD92A is obtained.