The hex color #a70d9e is a dark color. The web-safe version is Hex
#990099. A complementary color is
#58F261. The grayscale version is
#717171. A 20% lighter version of the original color is
#DA40D1, and Hex
#74006B is the 20% darker color. If the color is saturated by 10%, you get
#AC03A3. If the color is desaturated by 10%, the color
#A21799 is obtained.