The hex color #3e5e41 is a dark color. The web-safe version is Hex
#336633. A complementary color is
#C1A1BE. The grayscale version is
#4A4A4A. A 20% lighter version of the original color is
#719174, and Hex
#0B2B0E is the 20% darker color. If the color is saturated by 10%, you get
#3D6040. If the color is desaturated by 10%, the color
#3F5C42 is obtained.