The hex color #ddeb3d is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#2214C2. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#FFFF70, and Hex
#AAB80A is the 20% darker color. If the color is saturated by 10%, you get
#E2F132. If the color is desaturated by 10%, the color
#D8E548 is obtained.