The hex color #a209a0 is a dark color. The web-safe version is Hex
#990099. A complementary color is
#5DF65F. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#D53CD3, and Hex
#6F006D is the 20% darker color. If the color is saturated by 10%, you get
#A700A5. If the color is desaturated by 10%, the color
#9D139B is obtained.