The hex color #fc371c is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#03C8E3. The grayscale version is
#707070. A 20% lighter version of the original color is
#FF6A4F, and Hex
#C90400 is the 20% darker color. If the color is saturated by 10%, you get
#FF3114. If the color is desaturated by 10%, the color
#EE3D24 is obtained.