The hex color #dd5de0 is a light color. The web-safe version is Hex
#CC66CC. A complementary color is
#22A21F. The grayscale version is
#B3B3B3. A 20% lighter version of the original color is
#FF90FF, and Hex
#AA2AAD is the 20% darker color. If the color is saturated by 10%, you get
#E154E4. If the color is desaturated by 10%, the color
#D966DC is obtained.