The hex color #a816b3 is a dark color. The web-safe version is Hex
#9900CC. A complementary color is
#57E94C. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#DB49E6, and Hex
#750080 is the 20% darker color. If the color is saturated by 10%, you get
#AD0CB9. If the color is desaturated by 10%, the color
#A420AD is obtained.