The hex color #c766f9 is a light color. The web-safe version is Hex
#CC66FF. A complementary color is
#389906. The grayscale version is
#B7B7B7. A 20% lighter version of the original color is
#FA99FF, and Hex
#9433C6 is the 20% darker color. If the color is saturated by 10%, you get
#C95EFF. If the color is desaturated by 10%, the color
#C56EF2 is obtained.