The hex color #ff5e3f is a light color. The web-safe version is Hex
#FF6633. A complementary color is
#00A1C0. The grayscale version is
#898989. A 20% lighter version of the original color is
#FF9172, and Hex
#CC2B0C is the 20% darker color. If the color is saturated by 10%, you get
#FF5A38. If the color is desaturated by 10%, the color
#F36246 is obtained.