The hex color #a15ffe is a light color. The web-safe version is Hex
#9966FF. A complementary color is
#5EA001. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#D492FF, and Hex
#6E2CCB is the 20% darker color. If the color is saturated by 10%, you get
#A058FF. If the color is desaturated by 10%, the color
#A267F6 is obtained.