The hex color #a779d0 is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#58862F. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#DAACFF, and Hex
#74469D is the 20% darker color. If the color is saturated by 10%, you get
#A775D4. If the color is desaturated by 10%, the color
#A77DCC is obtained.