The hex color #f73b29 is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#08C4D6. The grayscale version is
#747474. A 20% lighter version of the original color is
#FF6E5C, and Hex
#C40800 is the 20% darker color. If the color is saturated by 10%, you get
#FF3522. If the color is desaturated by 10%, the color
#EA4130 is obtained.