The hex color #c9411f is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#36BEE0. The grayscale version is
#636363. A 20% lighter version of the original color is
#FC7452, and Hex
#960E00 is the 20% darker color. If the color is saturated by 10%, you get
#D33E18. If the color is desaturated by 10%, the color
#BF4426 is obtained.