The hex color #fd573f is a light color. The web-safe version is Hex
#FF6633. A complementary color is
#02A8C0. The grayscale version is
#868686. A 20% lighter version of the original color is
#FF8A72, and Hex
#CA240C is the 20% darker color. If the color is saturated by 10%, you get
#FF5238. If the color is desaturated by 10%, the color
#F15C46 is obtained.