The hex color #656e4d is a dark color. The web-safe version is Hex
#666666. A complementary color is
#9A91B2. The grayscale version is
#606060. A 20% lighter version of the original color is
#98A180, and Hex
#323B1A is the 20% darker color. If the color is saturated by 10%, you get
#666F4B. If the color is desaturated by 10%, the color
#656D4F is obtained.