The hex color #f15b09 is a dark color. The web-safe version is Hex
#FF6600. A complementary color is
#0EA4F6. The grayscale version is
#727272. A 20% lighter version of the original color is
#FF8E3C, and Hex
#BE2800 is the 20% darker color. If the color is saturated by 10%, you get
#FE5900. If the color is desaturated by 10%, the color
#E45D13 is obtained.