Impossible Colours

Some people can see the colour blue-yellow if they try and cross their eyes and make the plus signs line up. This is a pseudo colour and really patchwork comprising yellow and blue

 

I came across an interesting article today on Wikipedia about “impossible colours.”

The article can be found here: http://en.wikipedia.org/wiki/Impossible_colors

An equally as interesting article about on Wikipedia about “imaginary colours” can be found here:

http://en.wikipedia.org/wiki/Imaginary_color

After reading these article, I began to recall a seemingly unrelated philosophical problem called the ‘Molyneux’s Problem.’ This is essentially: “If a man born blind can feel the differences between shapes such as spheres and cubes, could he similarly distinguish those objects by sight if given the ability to see.”

Combining these articles, I wonder if a blind man who has been born blind can imagine colour. Is this analogous to people with normal vision trying to imagine impossible or imaginary colours?

 

 

 

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