The hex color #a76dd1 is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#58922E. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#DAA0FF, and Hex
#743A9E is the 20% darker color. If the color is saturated by 10%, you get
#A868D6. If the color is desaturated by 10%, the color
#A672CC is obtained.