The hex color #aa3d15 is a dark color. The web-safe version is Hex
#993300. A complementary color is
#55C2EA. The grayscale version is
#545454. A 20% lighter version of the original color is
#DD7048, and Hex
#770A00 is the 20% darker color. If the color is saturated by 10%, you get
#B33B0F. If the color is desaturated by 10%, the color
#A13F1B is obtained.