The hex color #a15d21 is a dark color. The web-safe version is Hex
#996633. A complementary color is
#5EA2DE. The grayscale version is
#606060. A 20% lighter version of the original color is
#D49054, and Hex
#6E2A00 is the 20% darker color. If the color is saturated by 10%, you get
#A85D1B. If the color is desaturated by 10%, the color
#9A5D27 is obtained.