The hex color #a66b8b is a light color. The web-safe version is Hex
#996699. A complementary color is
#599474. The grayscale version is
#898989. A 20% lighter version of the original color is
#D99EBE, and Hex
#733858 is the 20% darker color. If the color is saturated by 10%, you get
#A9688B. If the color is desaturated by 10%, the color
#A36E8B is obtained.