Your green receptors overlap with red, and also a little with blue. There is no single wavelength of light that only stimulates your green photoreceptors withou

Your green receptors overlap with red, and also a little with blue. There is no single wavelength of light that only stimulates your green photoreceptors without also setting off red or blue ones. https://en.wikipedia.org/wiki/Color#/media/File:Cones_SMJ2_E.svg https://en.wikipedia.org/wiki/Color#/media/File:Cones_SMJ2_E...