The hex color #00c51a is a dark color. The web-safe version is Hex
#00CC33. A complementary color is
#FF3AE5. The grayscale version is
#4A4A4A. A 20% lighter version of the original color is
#33F84D, and Hex
#009200 is the 20% darker color. If the color is saturated by 10%, you get
#00D115. If the color is desaturated by 10%, the color
#07B91F is obtained.