The hex color #6c4b3c is a dark color. The web-safe version is Hex
#663333. A complementary color is
#93B4C3. The grayscale version is
#515151. A 20% lighter version of the original color is
#9F7E6F, and Hex
#391809 is the 20% darker color. If the color is saturated by 10%, you get
#6F4A3A. If the color is desaturated by 10%, the color
#694C3E is obtained.