The hex color #fd5b3f is a light color. The web-safe version is Hex
#FF6633. A complementary color is
#02A4C0. The grayscale version is
#888888. A 20% lighter version of the original color is
#FF8E72, and Hex
#CA280C is the 20% darker color. If the color is saturated by 10%, you get
#FF5738. If the color is desaturated by 10%, the color
#F15F46 is obtained.