The hex color #a251e4 is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#5DAE1B. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#D584FF, and Hex
#6F1EB1 is the 20% darker color. If the color is saturated by 10%, you get
#A349EB. If the color is desaturated by 10%, the color
#A259DD is obtained.