The hex color #e66df1 is a light color. The web-safe version is Hex
#FF66FF. A complementary color is
#19920E. The grayscale version is
#C1C1C1. A 20% lighter version of the original color is
#FFA0FF, and Hex
#B33ABE is the 20% darker color. If the color is saturated by 10%, you get
#EA65F6. If the color is desaturated by 10%, the color
#E275EC is obtained.