Yes, it's kind of like wondering "Does my computer store [R,G,B]? Or is it actually stored as [B,G,R] in memory? Are they represented in 2's complement form?",

Yes, it's kind of like wondering "Does my computer store [R,G,B]? Or is it actually stored as [B,G,R] in memory? Are they represented in 2's complement form?", etc. Functionally our perception of colour is just how we mentally represent and compare vectors with 3 (or in this case 4!) components. That said, our shared physiology and biology as humans makes my default assumption that red looks about the same to me as to anyone else. Unless they're colourblind or tetrachromats, of course.