The hex color #e766a7 is a light color. The web-safe version is Hex
#FF6699. A complementary color is
#189958. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#FF99DA, and Hex
#B43374 is the 20% darker color. If the color is saturated by 10%, you get
#ED60A7. If the color is desaturated by 10%, the color
#E16CA7 is obtained.