The hex color #e9154c is a dark color. The web-safe version is Hex
#FF0033. A complementary color is
#16EAB3. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#FF487F, and Hex
#B60019 is the 20% darker color. If the color is saturated by 10%, you get
#F50C49. If the color is desaturated by 10%, the color
#DD1E4F is obtained.