The hex color #20976b is a dark color. The web-safe version is Hex
#339966. A complementary color is
#DF6894. The grayscale version is
#616161. A 20% lighter version of the original color is
#53CA9E, and Hex
#006438 is the 20% darker color. If the color is saturated by 10%, you get
#1A9C6C. If the color is desaturated by 10%, the color
#26926A is obtained.