The hex color #3e3c3e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C1C3C1. The grayscale version is
#3D3D3D. A 20% lighter version of the original color is
#716F71, and Hex
#0B090B is the 20% darker color. If the color is saturated by 10%, you get
#3E3C3E. If the color is desaturated by 10%, the color
#3E3C3E is obtained.