Everybody who’s decorating for Christmas knows to do so with red and green. But the story of how ... s some combination of a natural phenomenon mixed with other cultural forces,” she says.

We’ve all learned in primary school art classes that blue and yellow make green, and that adding a little black to a color will make it darker. But what if you want to paint with a color that ...

That red and green is in our psyche because of the Victorians, but it was in their psyche because of the medieval paint that we can still see on 15th- and 16th-century rood screens.” Rood ...

It's hard to imagine a time when red and green weren't synonymous with Christmas, but they haven't always been the holiday's go-to colors. Arielle Eckstut, co-author of Secret Language of Color ...