As it turns out, in George Lucas' original script for Yoda's debut movie The Empire Strikes Back he's described as being "bluish" - a very different color from his froggy green skin, a trait that has ...
Darth Vader, Chewbacca and Yoda are the first characters you think of when Star Wars is mentioned - but what if the little green man was suddenly a completely different colour?
Sources from the Star Wars archives suggest it was a late-in-the-game decision that had Yoda looking the way we’ve come to anticipate.