But when I look at the Hacker New logo, I don't perceive photons of wavelength 590 nanometers bouncing off my retina--I pereceive the color orange.
If you did perceive photons at 590nm that would be rather remarkable! More likely, you would perceive a mixture of photons at different wavelengths, mainly a combination of 615nm and 550nm or thereabouts.
In actuality, you perceive this "orange" concept; in fact, you would perceive the same orange whether exposed to 590nm photons or the mixture, which emphasizes the point that what we experience in the real world doesn't necessarily relate to reality in an obvious way.
If you did perceive photons at 590nm that would be rather remarkable! More likely, you would perceive a mixture of photons at different wavelengths, mainly a combination of 615nm and 550nm or thereabouts.
In actuality, you perceive this "orange" concept; in fact, you would perceive the same orange whether exposed to 590nm photons or the mixture, which emphasizes the point that what we experience in the real world doesn't necessarily relate to reality in an obvious way.