The hex color #397f35 is a dark color. The web-safe version is Hex
#336633. A complementary color is
#C680CA. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#6CB268, and Hex
#064C02 is the 20% darker color. If the color is saturated by 10%, you get
#378432. If the color is desaturated by 10%, the color
#3B7A38 is obtained.