The hex color #784d6c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#87B293. The grayscale version is
#666666. A 20% lighter version of the original color is
#AB809F, and Hex
#451A39 is the 20% darker color. If the color is saturated by 10%, you get
#7A4B6D. If the color is desaturated by 10%, the color
#764F6B is obtained.