The hex color #c9cc3e is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#3633C1. The grayscale version is
#9C9C9C. A 20% lighter version of the original color is
#FCFF71, and Hex
#96990B is the 20% darker color. If the color is saturated by 10%, you get
#CED135. If the color is desaturated by 10%, the color
#C4C747 is obtained.