The hex color #83c28a is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#7C3D75. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#B6F5BD, and Hex
#508F57 is the 20% darker color. If the color is saturated by 10%, you get
#81C688. If the color is desaturated by 10%, the color
#85BE8C is obtained.