The hex color #f45f30 is a light color. The web-safe version is Hex
#FF6633. A complementary color is
#0BA0CF. The grayscale version is
#818181. A 20% lighter version of the original color is
#FF9263, and Hex
#C12C00 is the 20% darker color. If the color is saturated by 10%, you get
#FF5C28. If the color is desaturated by 10%, the color
#E96238 is obtained.