The hex color #c55e37 is a dark color. The web-safe version is Hex
#CC6633. A complementary color is
#3AA1C8. The grayscale version is
#737373. A 20% lighter version of the original color is
#F8916A, and Hex
#922B04 is the 20% darker color. If the color is saturated by 10%, you get
#CD5C31. If the color is desaturated by 10%, the color
#BD603D is obtained.