The hex color #a773e3 is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#588C1C. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#DAA6FF, and Hex
#7440B0 is the 20% darker color. If the color is saturated by 10%, you get
#A76EE9. If the color is desaturated by 10%, the color
#A778DD is obtained.