The hex color #9900cc is a dark color. The web-safe version is Hex
#9900CC. A complementary color is
#66FF33. The grayscale version is
#777777. A 20% lighter version of the original color is
#CC33FF, and Hex
#660099 is the 20% darker color. If the color is saturated by 10%, you get
#9C00D5. If the color is desaturated by 10%, the color
#960CC4 is obtained.