The hex color #ff422d is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#00BDD2. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#FF7560, and Hex
#CC0F00 is the 20% darker color. If the color is saturated by 10%, you get
#FF3C25. If the color is desaturated by 10%, the color
#F24835 is obtained.