As your hair’s pigment seemingly evaporates into thin air, you might notice that your favorite makeup and clothing colors no longer look as good on you as they once did. That’s because gray hair, whether salt and pepper, silver, or pure white, tends to have a cooler undertone, which changes how your tried-and-true color palette works. The best way to recapture the contrast is to do a little sleuthing and give yourself a gray hair makeover. If you’re one of the multitudes of people who have recently embraced their gray hair, either because salons were closed or because it was just time for...