The hex color #c9370a is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#36C8F5. The grayscale version is
#595959. A 20% lighter version of the original color is
#FC6A3D, and Hex
#960400 is the 20% darker color. If the color is saturated by 10%, you get
#D43402. If the color is desaturated by 10%, the color
#BE3A12 is obtained.