In Irish tradition, some names were reserved for people with a certain hair color, and the boy's name Ruadhán was given to those with bright red hair ...

The latest shade to take off is “gingerbread red,” a color that has over 1.4 billion views on TikTok. It’s seriously perfect for winter — and not just because it has a cute, seasonal name.

It's hard to obtain, and it's hard to maintain—if you have dark hair, you may have to bleach it before you dye it red, for example—and it can easily become to brassy or lose its vibrancy.

K-pop star Heeseung of the boy band ENHYPEN showed off his firetruck-red hair color on day two of Coachella. Some people say hair makes the outfit, and that's the case with Heeseung's bright hue ...