As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

Grow winter heath plants for year-round mounding beauty that’s easy-care and rewarding. Evergreen and cold-hardy, they come in shades of pink, purple and white.

The color purple has long been a symbol of royalty, creativity, and mystery. But according to science, it’s also something else: a figment of our imaginations.