Basically the title. I was wondering if there’s hardcore chemistry involved in this and if not, how does colour mixing work? What is it that causes us to perceive a different colour when we mix two colours, say blue and yellow to make green?
In: Chemistry
We only have three different colour sensors in our eye. Orange wavelength light stimulates both the long and medium and wavelength sensitive ones (wavelengths centred on the red and green regions of the spectrum) which we interpret as orange. Hitting them with a mixture of separate red and green wavelengths gives the same signals to the optic system so ends up being interpreted as the same colour.
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