The hex color #a554cb is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#5AAB34. The grayscale version is
#979797. A 20% lighter version of the original color is
#D887FE, and Hex
#722198 is the 20% darker color. If the color is saturated by 10%, you get
#A64DD0. If the color is desaturated by 10%, the color
#A45BC6 is obtained.