Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t make any sense, but ...

From early childhood, we’ve been taught to recognize the colors of the rainbow—red, orange, yellow, green, blue, indigo ... reported by Popular Mechanics. Purple is not real.

Think purple is real? Think again. Discover the bizarre truth behind why purple doesn’t actually exist (yup, seriously).

Red, orange, yellow, green, blue, indigo, and violet: the rainbow. But what if that wasn’t it? Sophomore Ryan Evert ...

You can use a prism to split (or disperse) white light into a spectrum of colours: red, orange, yellow, green, blue, indigo and violet. Dispersed means that the colours are separated out.