The hex color #c966e8 is a light color. The web-safe version is Hex
#CC66FF. A complementary color is
#369917. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#FC99FF, and Hex
#9633B5 is the 20% darker color. If the color is saturated by 10%, you get
#CB5EED. If the color is desaturated by 10%, the color
#C76EE3 is obtained.