The hex color #319a27 is a dark color. The web-safe version is Hex
#339933. A complementary color is
#CE65D8. The grayscale version is
#515151. A 20% lighter version of the original color is
#64CD5A, and Hex
#006700 is the 20% darker color. If the color is saturated by 10%, you get
#2EA123. If the color is desaturated by 10%, the color
#34932B is obtained.