The hex color #00c421 is a dark color. The web-safe version is Hex
#00CC33. A complementary color is
#FF3BDE. The grayscale version is
#4C4C4C. A 20% lighter version of the original color is
#33F754, and Hex
#009100 is the 20% darker color. If the color is saturated by 10%, you get
#00D01D. If the color is desaturated by 10%, the color
#08B825 is obtained.