The hex color #408c2c is a dark color. The web-safe version is Hex
#339933. A complementary color is
#BF73D3. The grayscale version is
#535353. A 20% lighter version of the original color is
#73BF5F, and Hex
#0D5900 is the 20% darker color. If the color is saturated by 10%, you get
#3E9228. If the color is desaturated by 10%, the color
#428630 is obtained.