The hex color #c9b51a is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#364AE5. The grayscale version is
#888888. A 20% lighter version of the original color is
#FCE84D, and Hex
#968200 is the 20% darker color. If the color is saturated by 10%, you get
#D0BA0F. If the color is desaturated by 10%, the color
#C3B125 is obtained.