The hex color #b6411e is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#49BEE1. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#E97451, and Hex
#830E00 is the 20% darker color. If the color is saturated by 10%, you get
#BF3E18. If the color is desaturated by 10%, the color
#AD4424 is obtained.