The hex color #a973e2 is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#568C1D. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#DCA6FF, and Hex
#7640AF is the 20% darker color. If the color is saturated by 10%, you get
#A96EE8. If the color is desaturated by 10%, the color
#A979DC is obtained.