The hex color #c55d1b is a dark color. The web-safe version is Hex
#CC6633. A complementary color is
#3AA2E4. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#F8904E, and Hex
#922A00 is the 20% darker color. If the color is saturated by 10%, you get
#CE5C13. If the color is desaturated by 10%, the color
#BC5E23 is obtained.