The hex color #a764a9 is a dark color. The web-safe version is Hex
#996699. A complementary color is
#589B56. The grayscale version is
#919191. A 20% lighter version of the original color is
#DA97DC, and Hex
#743176 is the 20% darker color. If the color is saturated by 10%, you get
#A95FAB. If the color is desaturated by 10%, the color
#A569A7 is obtained.