The hex color #3d543b is a dark color. The web-safe version is Hex
#336633. A complementary color is
#C2ABC4. The grayscale version is
#444444. A 20% lighter version of the original color is
#70876E, and Hex
#0A2108 is the 20% darker color. If the color is saturated by 10%, you get
#3C563A. If the color is desaturated by 10%, the color
#3E523C is obtained.