The hex color #f81f6e is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#07E091. The grayscale version is
#828282. A 20% lighter version of the original color is
#FF52A1, and Hex
#C5003B is the 20% darker color. If the color is saturated by 10%, you get
#FF156C. If the color is desaturated by 10%, the color
#EC2970 is obtained.