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Like these impossible colors (yellow/blue and green/red) or these imaginary colors, for example saturated red more intense than pure spectral red can be viewed in ordinary viewing conditions. Can other dimensions have different or extended visible spectrums?

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As your link states color is in the eye of the beholder, so dimensions play no role. already there exists an electromagnetic spectrum invisible to our eye. –  anna v Jan 30 '13 at 19:21
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A color is nothing but the frequency of light (or a superposition of a bunch of frequencies). It exists completely independent of the number of dimensions. You have (essentially) the same theory of light in 1, 3 or 41 dimensions. –  Vibert Jan 30 '13 at 19:24
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@Vibert that could be an answer –  David Z Jan 30 '13 at 20:43
    
I could write about 7 critiques of this question, and only two would contain the word "qualia". –  NikolajK Jan 31 '13 at 9:53

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The visible color spectrum depends on evolution and have nothing to do with dimensions. There are animals width different visible spectra than humans.

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Does this mean that impossible colors exist and can be viewed, just not generally by the human eye? –  5ives Apr 20 '13 at 7:38
    
    
What are you trying to point out? –  5ives Apr 20 '13 at 7:48
    
just read this article en.wikipedia.org/wiki/Light there is everithing you search for –  Michal Chovanec Apr 20 '13 at 8:27

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