The hex color #55735b is a dark color. The web-safe version is Hex
#666666. A complementary color is
#AA8CA4. The grayscale version is
#616161. A 20% lighter version of the original color is
#88A68E, and Hex
#224028 is the 20% darker color. If the color is saturated by 10%, you get
#54755A. If the color is desaturated by 10%, the color
#56715C is obtained.