The hex color #fd390e is a dark color. The web-safe version is Hex
#FF3300. A complementary color is
#02C6F1. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#FF6C41, and Hex
#CA0600 is the 20% darker color. If the color is saturated by 10%, you get
#FF3405. If the color is desaturated by 10%, the color
#EF3E17 is obtained.