Yea, I agree the coloring they present in what I linked is quite... ugly. But what I was trying to get at is that it does seem that, at that point, the Greeks c

Yea, I agree the coloring they present in what I linked is quite... ugly. But what I was trying to get at is that it does seem that, at that point, the Greeks could distinguish between the color of wine and the color blue. And that therefore Homer's "wine-dark" is in reference to something other than color. (I had seen that video before, it's very enlightening.)