The hex color #c9e34f is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#361CB0. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#FCFF82, and Hex
#96B01C is the 20% darker color. If the color is saturated by 10%, you get
#CCE946. If the color is desaturated by 10%, the color
#C6DD58 is obtained.