The hex color #f0505c is a light color. The web-safe version is Hex
#FF6666. A complementary color is
#0FAFA3. The grayscale version is
#898989. A 20% lighter version of the original color is
#FF838F, and Hex
#BD1D29 is the 20% darker color. If the color is saturated by 10%, you get
#FA4A57. If the color is desaturated by 10%, the color
#E65661 is obtained.