The hex color #6d631c is a dark color. The web-safe version is Hex
#666633. A complementary color is
#929CE3. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#A0964F, and Hex
#3A3000 is the 20% darker color. If the color is saturated by 10%, you get
#706517. If the color is desaturated by 10%, the color
#6A6121 is obtained.