this post was submitted on 24 Nov 2024
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That’s not really true, we can definitely see yellow light. Red receptors and green receptors are both sensitive to it, which your brain correctly interprets as yellow.
yea, if there is a single wavelength and its yellow we could see it. However, if you had a full spectrum of light and took away all of the yellow but added some red and green you wouldn't be able to tell that there's no yellow, because we can't see yellow, only imply it from the red-ness and green-ness
i'm pretty sure you couldn't pull off the same trick with red, green, or blue but I guess I don't really know