The reason I doubted the accuracy of the Technicolor print, is because the green shift like in the Vader strangle scene does not appear in any home video releases, and I came across this production photo, that seems to confirm my suspicions:

The reason I doubted the accuracy of the Technicolor print, is because the green shift like in the Vader strangle scene does not appear in any home video releases, and I came across this production photo, that seems to confirm my suspicions:
