The hex color #3d5d2c is a dark color. The web-safe version is Hex
#336633. A complementary color is
#C2A2D3. The grayscale version is
#424242. A 20% lighter version of the original color is
#70905F, and Hex
#0A2A00 is the 20% darker color. If the color is saturated by 10%, you get
#3D602A. If the color is desaturated by 10%, the color
#3E5A2E is obtained.