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

Architectural color expert Amy Krane says that, simply put, indigo is both blue and purple."It is a deep blue tinged with purple," she says. In our interiors, it can swing either way, depending on ...

The color purple is, in a way, invented by our brains. advertisement. ... yellow, green, blue, indigo and, importantly, violet and indigo — are made of just one wavelength.