The hex color #b45dd5 is a light color. The web-safe version is Hex
#CC66CC. A complementary color is
#4BA22A. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#E790FF, and Hex
#812AA2 is the 20% darker color. If the color is saturated by 10%, you get
#B656DA. If the color is desaturated by 10%, the color
#B264D0 is obtained.