The hex color #837B5E is a dark color. The web-safe version is Hex
#996666. A complementary color is
#7C84A1. The grayscale version is
#747474. A 20% lighter version of the original color is
#B6AE91, and Hex
#50482B is the 20% darker color. If the color is saturated by 10%, you get
#857C5C. If the color is desaturated by 10%, the color
#827A60 is obtained.