The hex color #e66ff7 is a light color. The web-safe version is Hex
#FF66FF. A complementary color is
#199008. The grayscale version is
#C4C4C4. A 20% lighter version of the original color is
#FFA2FF, and Hex
#B33CC4 is the 20% darker color. If the color is saturated by 10%, you get
#E967FC. If the color is desaturated by 10%, the color
#E378F2 is obtained.