You see colour using three different kinds of cones in our eyes, and these cones can be either red, blue, or green. So where does yellow come in? Green consists of yellow and blue – but how would you only see yellow and not the blue that would make it green?
In: Biology
Our cones can perceive either red, green or blue but they are not perfect, so they react more to a specific wavelength corresponding to those three colours but they also react to other wavelengths that are close, a certain wavelength activates both green and blue and your brain interprets it as yellow
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