The hex color #d66eef is a light color. The web-safe version is Hex
#CC66FF. A complementary color is
#299110. The grayscale version is
#BCBCBC. A 20% lighter version of the original color is
#FFA1FF, and Hex
#A33BBC is the 20% darker color. If the color is saturated by 10%, you get
#D966F4. If the color is desaturated by 10%, the color
#D376EA is obtained.