[quote=Sep]
Not all of them have red eyes, I distinctly remember a Chiss with non red eyes at some point.Hell, weren't Thrawns originally Yellow?I actually thought that he was a Chiss too before I read the species, the lighting in the picture makes the skin appear blueish.
[/quote]

No, the books described him as having Scarlet eyes... The one thing all of the art messes up, with him, is that he is supposed to have pink blotches on his skin, because he is half-human.