The hex color #c2ee11 is a light color. The web-safe version is Hex
#CCFF00. A complementary color is
#3D11EE. The grayscale version is
#969696. A 20% lighter version of the original color is
#F5FF44, and Hex
#8FBB00 is the 20% darker color. If the color is saturated by 10%, you get
#C6F704. If the color is desaturated by 10%, the color
#BEE51E is obtained.