The hex color #f4575b is a light color. The web-safe version is Hex
#FF6666. A complementary color is
#0BA8A4. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#FF8A8E, and Hex
#C12428 is the 20% darker color. If the color is saturated by 10%, you get
#FE5256. If the color is desaturated by 10%, the color
#EA5C60 is obtained.