The hex color #7e643c is a dark color. The web-safe version is Hex
#666633. A complementary color is
#819BC3. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#B1976F, and Hex
#4B3109 is the 20% darker color. If the color is saturated by 10%, you get
#816438. If the color is desaturated by 10%, the color
#7B6440 is obtained.