This is what happens when you mix Color Coded for Your Convenience with Lucky Seven. Not only is a color motif used, but the specific colors involved are red, orange, yellow, green, blue, indigo, and violet. These are often identified as the colors of the rainbow. Example: The Seven Deadly Sins - Wrath, Gluttony, Greed, Envy, Sloth, Lust, Pride. Another way to think of this trope is Chromatic Arrangement plus four extra colors. Examples of Rainbow Motif include: