The hex color #FB5E37 is a light color. The web-safe version is Hex
#FF6633. A complementary color is
#04A1C8. The grayscale version is
#858585. A 20% lighter version of the original color is
#FF916A, and Hex
#C82B04 is the 20% darker color. If the color is saturated by 10%, you get
#FF5A2F. If the color is desaturated by 10%, the color
#EF623F is obtained.