The hex color #f55f7b is a light color. The web-safe version is Hex
#FF6666. A complementary color is
#0AA084. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#FF92AE, and Hex
#C22C48 is the 20% darker color. If the color is saturated by 10%, you get
#FE5978. If the color is desaturated by 10%, the color
#EC657E is obtained.