The hex color #a77bc3 is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#58843C. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#DAAEF6, and Hex
#744890 is the 20% darker color. If the color is saturated by 10%, you get
#A877C6. If the color is desaturated by 10%, the color
#A67FC0 is obtained.