The hex color #f5215d is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#0ADEA2. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#FF5490, and Hex
#C2002A is the 20% darker color. If the color is saturated by 10%, you get
#FF185A. If the color is desaturated by 10%, the color
#E92A60 is obtained.