The hex color #a75a0b is a dark color. The web-safe version is Hex
#996600. A complementary color is
#58A5F4. The grayscale version is
#595959. A 20% lighter version of the original color is
#DA8D3E, and Hex
#742700 is the 20% darker color. If the color is saturated by 10%, you get
#AF5A03. If the color is desaturated by 10%, the color
#9F5A13 is obtained.