The hex color #00811c is a dark color. The web-safe version is Hex
#009933. A complementary color is
#FF7EE3. The grayscale version is
#343434. A 20% lighter version of the original color is
#33B44F, and Hex
#004E00 is the 20% darker color. If the color is saturated by 10%, you get
#00891A. If the color is desaturated by 10%, the color
#05791E is obtained.