The hex color #aa4aa7 is a dark color. The web-safe version is Hex
#993399. A complementary color is
#55B558. The grayscale version is
#898989. A 20% lighter version of the original color is
#DD7DDA, and Hex
#771774 is the 20% darker color. If the color is saturated by 10%, you get
#AD44AA. If the color is desaturated by 10%, the color
#A750A4 is obtained.