The hex color #f15c1b is a light color. The web-safe version is Hex
#FF6633. A complementary color is
#0EA3E4. The grayscale version is
#787878. A 20% lighter version of the original color is
#FF8F4E, and Hex
#BE2900 is the 20% darker color. If the color is saturated by 10%, you get
#FD5912. If the color is desaturated by 10%, the color
#E55F24 is obtained.