this post was submitted on 03 Apr 2025
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Ha! I read the following Science new article just today about how Purple Only Exists In Our Brains. It's written for a younger audience (I think), but it lays out how our sight works, and how our brains trick us into seeing purple (a red-blue colour, as opposed to violet).
Poor shrimpos, no purple for them, I bet.
This phrasing always bothers me a little, because, as even the article quotes a scientist saying: “All colors are made up by the brain.”
Purple is special because it triggers from non-continuous wavelengths of light, not because the subjective experience of purple is an invention of the brain. Being 'invented' is something common to all colors. Or sounds. Or tastes.