The hex color #c1a91b is a light color. The web-safe version is Hex
#CC9933. A complementary color is
#3E56E4. The grayscale version is
#828282. A 20% lighter version of the original color is
#F4DC4E, and Hex
#8E7600 is the 20% darker color. If the color is saturated by 10%, you get
#C7AD11. If the color is desaturated by 10%, the color
#BBA525 is obtained.