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That's a nice thought, I wonder if within the next 100years something could be developed to allow us to 'see' more of the spectrum or to distinguish between colours more capably prehaps helping those with colour blindness.
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Just because our eyes do not have the receptors to see them, doesn’t mean they don’t exist or that our brain can’t interpret them. Our brain just can’t get the signals because our eyes don’t detect them. For instance, dragonflies can detect more vision pigments than humans. I’m pretty sure the human brain could process them if our eyes had the ability to see them That means, technically, you could imagine colors you’ve never seen.