The hex color #83c20e is a light color. The web-safe version is Hex
#99CC00. A complementary color is
#7C3DF1. The grayscale version is
#717171. A 20% lighter version of the original color is
#B6F541, and Hex
#508F00 is the 20% darker color. If the color is saturated by 10%, you get
#85CA04. If the color is desaturated by 10%, the color
#81BA18 is obtained.