It intimidates.
It infuriates.
It suggests good posture and a sharp tongue.
If you ever find yourself on the bitch-slapped end of a meeting with your boss, being reprimanded, disciplined or otherwise, plan ahead working girl! Be sure to sport a daring crimson hue. It will give off a most haughty disposition, which is really the last remaining and feeble shred of control us working girls can cling to anymore.
Bonus: It makes your teeth look whiter.