1. An apparatus for displaying an anaglyph stereoscopic image, the stereoscopic image comprising a first image and a second image, the apparatus configured to: provide m primary colors P 1 ,. .. , P m , wherein m is at least two, and wherein primary color P 1 is green; provide a de-saturated primary color Q 1 comprising: a first spectral component S 1 ; and a second spectral component S 2 , the spectrum of the green primary color substantially between the first component S 1 and the second component S 2 , the combined spectra of first S 1 and second S 2 components comprising a de-saturated color; display the first image in primary colors P 1 ,. .. , P m ; and display the second image in de-saturated primary color Q 1 .