The hex color #ac3fcc is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#53C033. The grayscale version is
#929292. A 20% lighter version of the original color is
#DF72FF, and Hex
#790C99 is the 20% darker color. If the color is saturated by 10%, you get
#AF37D2. If the color is desaturated by 10%, the color
#A947C6 is obtained.