Nice! You just broke many people's minds as they try to conceive it.
But I'm both legally insane and a nerd so I've thought about it. I'd like to be able to perceive brain waves as a color, specifically alpha waves associated with intense thought or meditation, or delta. Would be cool to be able to sense a life forms mental state at a glance.
Being that we perceive less than 2% of he electromatic spectrum there ARE a lot of colors we can't see.
If you could see in the ultraviolet realm (like many insects and some vertebrates) common things would look totally different.
Here the same flower in 2 spectrums;
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