The hex color #a571d0 is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#5A8E2F. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#D8A4FF, and Hex
#723E9D is the 20% darker color. If the color is saturated by 10%, you get
#A56CD5. If the color is desaturated by 10%, the color
#A576CB is obtained.