The hex color #83555f is a dark color. The web-safe version is Hex
#996666. A complementary color is
#7CAAA0. The grayscale version is
#686868. A 20% lighter version of the original color is
#B68892, and Hex
#50222C is the 20% darker color. If the color is saturated by 10%, you get
#86535E. If the color is desaturated by 10%, the color
#805760 is obtained.