The hex color #966f9f is a light color. The web-safe version is Hex
#996699. A complementary color is
#699060. The grayscale version is
#8C8C8C. A 20% lighter version of the original color is
#C9A2D2, and Hex
#633C6C is the 20% darker color. If the color is saturated by 10%, you get
#976CA1. If the color is desaturated by 10%, the color
#95729D is obtained.