The hex color #c9c97d is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#363682. The grayscale version is
#B0B0B0. A 20% lighter version of the original color is
#FCFCB0, and Hex
#96964A is the 20% darker color. If the color is saturated by 10%, you get
#CCCC78. If the color is desaturated by 10%, the color
#C6C682 is obtained.