The hex color #a8540b is a dark color. The web-safe version is Hex
#996600. A complementary color is
#57ABF4. The grayscale version is
#585858. A 20% lighter version of the original color is
#DB873E, and Hex
#752100 is the 20% darker color. If the color is saturated by 10%, you get
#B05403. If the color is desaturated by 10%, the color
#A05413 is obtained.