The hex color #655a5f is a dark color. The web-safe version is Hex
#666666. A complementary color is
#9AA5A0. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#988D92, and Hex
#32272C is the 20% darker color. If the color is saturated by 10%, you get
#66595F. If the color is desaturated by 10%, the color
#645B5F is obtained.