The hex color #f766a2 is a light color. The web-safe version is Hex
#FF6699. A complementary color is
#08995D. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#FF99D5, and Hex
#C4336F is the 20% darker color. If the color is saturated by 10%, you get
#FF5FA1. If the color is desaturated by 10%, the color
#EF6DA3 is obtained.