I think what you mean by complimentary is what I mean by coordinate. And both terms are vague enough both to avoid the derogatory labels of "science" and "rules" and to encompass the less-noted aspects of coordination you mention.
Two-piece suit, and don't wear a pocket square. You're already wearing something that is outside of your comfort zone, the bow tie. Wearing a three-piece with a bow tie and a pocket square would look like a costume.
I'll have to check when I get home, but I'm pretty sure, at least for the ones I own and that they're currently producing. I know that they have transitioned to better manufacturers since they first opened shop.