The hex color #4f973f is a dark color. The web-safe version is Hex
#669933. A complementary color is
#B068C0. The grayscale version is
#626262. A 20% lighter version of the original color is
#82CA72, and Hex
#1C640C is the 20% darker color. If the color is saturated by 10%, you get
#4D9C3C. If the color is desaturated by 10%, the color
#519242 is obtained.