You're probably thinking of magenta [0]. Green light absolutely does exist, it has a wavelength of around 500-550 nm [1]. [0] http://www.biotele.com/magenta.ht

You're probably thinking of magenta [0]. Green light absolutely does exist, it has a wavelength of around 500-550 nm [1]. [0] http://www.biotele.com/magenta.html http://www.biotele.com/magenta.html [1] https://en.wikipedia.org/wiki/Light#/media/File:EM_spectrum.svg https://en.wikipedia.org/wiki/Light#/media/File:EM_spectrum....