The hex color #c9f26b is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#360D94. The grayscale version is
#B7B7B7. A 20% lighter version of the original color is
#FCFF9E, and Hex
#96BF38 is the 20% darker color. If the color is saturated by 10%, you get
#CBF863. If the color is desaturated by 10%, the color
#C7EC73 is obtained.