The hex color #CDDA12 is a light color. The web-safe version is Hex
#CCCC00. A complementary color is
#3225ED. The grayscale version is
#939393. A 20% lighter version of the original color is
#FFFF45, and Hex
#9AA700 is the 20% darker color. If the color is saturated by 10%, you get
#D3E105. If the color is desaturated by 10%, the color
#C7D31F is obtained.