The hex color #56661c is a dark color. The web-safe version is Hex
#666633. A complementary color is
#A999E3. The grayscale version is
#484848. A 20% lighter version of the original color is
#89994F, and Hex
#233300 is the 20% darker color. If the color is saturated by 10%, you get
#576918. If the color is desaturated by 10%, the color
#556320 is obtained.