The hex color #a6411a is a dark color. The web-safe version is Hex
#993333. A complementary color is
#59BEE5. The grayscale version is
#565656. A 20% lighter version of the original color is
#D9744D, and Hex
#730E00 is the 20% darker color. If the color is saturated by 10%, you get
#AE3F14. If the color is desaturated by 10%, the color
#9E4320 is obtained.