The hex color #3e842f is a dark color. The web-safe version is Hex
#339933. A complementary color is
#C17BD0. The grayscale version is
#505050. A 20% lighter version of the original color is
#71B762, and Hex
#0B5100 is the 20% darker color. If the color is saturated by 10%, you get
#3C892C. If the color is desaturated by 10%, the color
#407F32 is obtained.