The hex color #cfe11d is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#301EE2. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#FFFF50, and Hex
#9CAE00 is the 20% darker color. If the color is saturated by 10%, you get
#D4E811. If the color is desaturated by 10%, the color
#CADA29 is obtained.