The hex color #c75a1b is a dark color. The web-safe version is Hex
#CC6633. A complementary color is
#38A5E4. The grayscale version is
#696969. A 20% lighter version of the original color is
#FA8D4E, and Hex
#942700 is the 20% darker color. If the color is saturated by 10%, you get
#D05813. If the color is desaturated by 10%, the color
#BE5C23 is obtained.