It doesn't matter as long as when we look at something green and all agree that it's "Green" for all we know that person sees something completely different than you do. We learn that that thing we see is "Green" because people tell us that. So if you were to take a child and isolate them and tell them grass is blue and the leves are blue and green paint is blue paint...ect. ect. However. Hue intensity saturation and so on can be ascribed numerical value and placed on a chart in direct relation to one another, this suggests that we do all probably see "Green" as green and "Red" as red. Another flag that suggests this line of thinking is wrong is that many people have VERY similar emotional reactions to certain colors. In summary, people tend to go down this thought road in an attempt to rationalize what it must be like to be some one else. It's an excellent thought exercise but that's all and is most likely completely wrong.
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