By contrast, reds lose color and intensity with age, as they progress from purple to ruby to deep tawny.
To be a pro, tilt your wine at a 45-degree angle and hold your glass up to the light, or against a white piece of paper. This will help you assess the color of the wine. The color can tell you a lot about what you’re about to taste. Okay, yes, whether it is going to be a red, white, rosé, or sparkling wine is a pretty obvious one, but there is more to it. White wines gain color as they age, shifting from delicate lemon and gold to darker caramel. By contrast, reds lose color and intensity with age, as they progress from purple to ruby to deep tawny.