I mean, it seems clear we don't have any real consistent definition for qualia. I'd argue that every distinct color you can see is a different qualia, although an argument could be made for a single "color" qualia which takes on different forms.

fair enough. But qualia is the feeling that you get. So presumably, if you were to see "extended red", it would not seem to you - unless you consulted your less fortunate fellow-beings, that there was anything special about this red ...