The hex color #a966f1 is a light color. The web-safe version is Hex
#9966FF. A complementary color is
#56990E. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#DC99FF, and Hex
#7633BE is the 20% darker color. If the color is saturated by 10%, you get
#A95FF8. If the color is desaturated by 10%, the color
#A96DEA is obtained.