The hex color #cfca28 is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#3035D7. The grayscale version is
#969696. A 20% lighter version of the original color is
#FFFD5B, and Hex
#9C9700 is the 20% darker color. If the color is saturated by 10%, you get
#D5CF1D. If the color is desaturated by 10%, the color
#C9C533 is obtained.