The hex color #c9c33b is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#363CC4. The grayscale version is
#989898. A 20% lighter version of the original color is
#FCF66E, and Hex
#969008 is the 20% darker color. If the color is saturated by 10%, you get
#CEC732. If the color is desaturated by 10%, the color
#C4BF44 is obtained.