The hex color #a576cd is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#5A8932. The grayscale version is
#A3A3A3. A 20% lighter version of the original color is
#D8A9FF, and Hex
#72439A is the 20% darker color. If the color is saturated by 10%, you get
#A572D1. If the color is desaturated by 10%, the color
#A57AC9 is obtained.