This is looking to be a very interesting project. Harmy did a wonderful job of De-Specializing Star Wars, but as you mentioned, some of the colors, lean a bit too much to the green side, and others colors are a bit jarring.
I’m glad you’re maintaining the Technicolor look though, even though it might not have been exactly like we may have seen in the theaters in '77, according to the links you’ve provided, your on the right path to a more consistent result throughout the whole film.
Keep up the good work…I’m excited to see what develops of this.