The hex color #cde12b is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#321ED4. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#FFFF5E, and Hex
#9AAE00 is the 20% darker color. If the color is saturated by 10%, you get
#D2E820. If the color is desaturated by 10%, the color
#C8DA36 is obtained.