Apart from the philosophical aspect which is unanswerable, I feel certain we see equivalent colors. This is an interesting article about it. https://en.wikipedia.org/wiki/CIE_1931_color_space Scientists found what the three primary colors our eyes see are. Because of the overlap in cone activation they’re actually imaginary colors that don’t exist.
What the eyes do when receiving information and how those signals they send to the brain are interpreted is where the uncertainty comes from. Everyone will have the same data. How the brain renders it in our mind may not be.
Apart from the philosophical aspect which is unanswerable, I feel certain we see equivalent colors. This is an interesting article about it. https://en.wikipedia.org/wiki/CIE_1931_color_space Scientists found what the three primary colors our eyes see are. Because of the overlap in cone activation they’re actually imaginary colors that don’t exist.
What the eyes do when receiving information and how those signals they send to the brain are interpreted is where the uncertainty comes from. Everyone will have the same data. How the brain renders it in our mind may not be.