The hex color #3c3e2c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C3C1D3. The grayscale version is
#373737. A 20% lighter version of the original color is
#6F715F, and Hex
#090B00 is the 20% darker color. If the color is saturated by 10%, you get
#3C3F2B. If the color is desaturated by 10%, the color
#3C3D2D is obtained.