The hex color #a866ef is a light color. The web-safe version is Hex
#9966FF. A complementary color is
#579910. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#DB99FF, and Hex
#7533BC is the 20% darker color. If the color is saturated by 10%, you get
#A85FF6. If the color is desaturated by 10%, the color
#A86DE8 is obtained.