The hex color #dde93d is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#2216C2. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#FFFF70, and Hex
#AAB60A is the 20% darker color. If the color is saturated by 10%, you get
#E2EF32. If the color is desaturated by 10%, the color
#D8E348 is obtained.