The hex color #a00ea5 is a dark color. The web-safe version is Hex
#990099. A complementary color is
#5FF15A. The grayscale version is
#717171. A 20% lighter version of the original color is
#D341D8, and Hex
#6D0072 is the 20% darker color. If the color is saturated by 10%, you get
#A504AA. If the color is desaturated by 10%, the color
#9B18A0 is obtained.