The hex color #851a14 is a dark color. The web-safe version is Hex
#993300. A complementary color is
#7AE5EB. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#B84D47, and Hex
#520000 is the 20% darker color. If the color is saturated by 10%, you get
#8C1710. If the color is desaturated by 10%, the color
#7E1D18 is obtained.