The hex color #c9fc6e is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#360391. The grayscale version is
#BCBCBC. A 20% lighter version of the original color is
#FCFFA1, and Hex
#96C93B is the 20% darker color. If the color is saturated by 10%, you get
#CAFF66. If the color is desaturated by 10%, the color
#C8F676 is obtained.