I can see it going the other way around depending on the emphasis of the narrative. For example, if I were to say "Oh, it was a big, red barn", that sounds wron

I can see it going the other way around depending on the emphasis of the narrative. For example, if I were to say "Oh, it was a big, red barn", that sounds wrong, because "red" isn't something you'd usually emphasize. Whereas "It was a red, big barn!" sounds good.