The hex color #a159e4 is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#5EA61B. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#D48CFF, and Hex
#6E26B1 is the 20% darker color. If the color is saturated by 10%, you get
#A152EB. If the color is desaturated by 10%, the color
#A160DD is obtained.