The hex color #a8913e is a light color. The web-safe version is Hex
#999933. A complementary color is
#576EC1. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#DBC471, and Hex
#755E0B is the 20% darker color. If the color is saturated by 10%, you get
#AC9338. If the color is desaturated by 10%, the color
#A48F44 is obtained.