The hex color #a0721d is a dark color. The web-safe version is Hex
#996633. A complementary color is
#5F8DE2. The grayscale version is
#656565. A 20% lighter version of the original color is
#D3A550, and Hex
#6D3F00 is the 20% darker color. If the color is saturated by 10%, you get
#A67316. If the color is desaturated by 10%, the color
#9A7124 is obtained.