The hex color #a15df0 is a light color. The web-safe version is Hex
#9966FF. A complementary color is
#5EA20F. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#D490FF, and Hex
#6E2ABD is the 20% darker color. If the color is saturated by 10%, you get
#A156F8. If the color is desaturated by 10%, the color
#A164E8 is obtained.