The hex color #12843f is a dark color. The web-safe version is Hex
#009933. A complementary color is
#ED7BC0. The grayscale version is
#474747. A 20% lighter version of the original color is
#45B772, and Hex
#00510C is the 20% darker color. If the color is saturated by 10%, you get
#0D8A3E. If the color is desaturated by 10%, the color
#177E40 is obtained.