The hex color #8a400c is a dark color. The web-safe version is Hex
#993300. A complementary color is
#75BFF3. The grayscale version is
#474747. A 20% lighter version of the original color is
#BD733F, and Hex
#570D00 is the 20% darker color. If the color is saturated by 10%, you get
#913F06. If the color is desaturated by 10%, the color
#834112 is obtained.