The hex color #dd4dd4 is a light color. The web-safe version is Hex
#CC66CC. A complementary color is
#22B22B. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#FF80FF, and Hex
#AA1AA1 is the 20% darker color. If the color is saturated by 10%, you get
#E244D8. If the color is desaturated by 10%, the color
#D856D0 is obtained.