The hex color #ddf23f is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#220DC0. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#FFFF72, and Hex
#AABF0C is the 20% darker color. If the color is saturated by 10%, you get
#E2F934. If the color is desaturated by 10%, the color
#D8EB4A is obtained.