The hex color #a6668c is a dark color. The web-safe version is Hex
#996699. A complementary color is
#599973. The grayscale version is
#888888. A 20% lighter version of the original color is
#D999BF, and Hex
#733359 is the 20% darker color. If the color is saturated by 10%, you get
#A9638C. If the color is desaturated by 10%, the color
#A3698C is obtained.