The hex color #cddf11 is a light color. The web-safe version is Hex
#CCCC00. A complementary color is
#3220EE. The grayscale version is
#949494. A 20% lighter version of the original color is
#FFFF44, and Hex
#9AAC00 is the 20% darker color. If the color is saturated by 10%, you get
#D3E604. If the color is desaturated by 10%, the color
#C7D81E is obtained.