The hex color #cfeb3e is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#3014C1. The grayscale version is
#A8A8A8. A 20% lighter version of the original color is
#FFFF71, and Hex
#9CB80B is the 20% darker color. If the color is saturated by 10%, you get
#D3F233. If the color is desaturated by 10%, the color
#CBE449 is obtained.