The hex color #DDF9F5 is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#22060A. The grayscale version is
#EEEEEE. A 20% lighter version of the original color is
#FFFFFF, and Hex
#AAC6C2 is the 20% darker color. If the color is saturated by 10%, you get
#DBFAF6. If the color is desaturated by 10%, the color
#DFF8F4 is obtained.