The hex color #8c777b is a dark color. The web-safe version is Hex
#996666. A complementary color is
#738884. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#BFAAAE, and Hex
#594448 is the 20% darker color. If the color is saturated by 10%, you get
#8D767B. If the color is desaturated by 10%, the color
#8B787B is obtained.