The hex color #f12c2f is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#0ED3D0. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#FF5F62, and Hex
#BE0000 is the 20% darker color. If the color is saturated by 10%, you get
#FE2529. If the color is desaturated by 10%, the color
#E43335 is obtained.