The hex color #fc491c is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#03B6E3. The grayscale version is
#767676. A 20% lighter version of the original color is
#FF7C4F, and Hex
#C91600 is the 20% darker color. If the color is saturated by 10%, you get
#FF4513. If the color is desaturated by 10%, the color
#EF4D25 is obtained.