A enamel pin on your lapel that you take off and hand to them as a "deposit" for your next date is a genius move. It is whimsical, memorable, and the color ensures they will put it on their purse or keychain. Every time they see that deep, pulsing red, they will think of you. The Verdict: Is it worth the risk? Fashion for first dates is usually designed to avoid offense. Beige is safe. Navy is safe. But safety does not create chemistry. Chemistry requires a spark, a friction, a little bit of danger.

is that friction. It is the color of a heart beating fast. It is the color of the deep sea meeting high fire. It tells your date that you are not afraid to be seen, that you understand nuance, and that you are willing to take a calculated risk.

It sounds visceral. It sounds bold. And that is precisely the point. In the psychology of attraction, red is the color of passion, but coral is the color of approachable confidence. When you combine that with the deep, life-giving saturation of an "aorta" red, you get a shade that stops traffic without causing a collision.

Enter the phenomenon of .