The hex color #ddeceb is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#221314. The grayscale version is
#E7E7E7. A 20% lighter version of the original color is
#FFFFFF, and Hex
#AAB9B8 is the 20% darker color. If the color is saturated by 10%, you get
#DCEDEB. If the color is desaturated by 10%, the color
#DEEBEB is obtained.