Ths has been stated before, but the Technicolor prints of the time had a green bias, which is pretty easy to compensate for, but the reference Harmy used had not been fully corrected, and he didn’t know how much liberty he could take with that reference (considering that having the reference at all was such a huge improvement over winging it). Now that he knows he can do some correction without angering the Star Wars Gods, I’m sure he’ll use that freedom to make the next Star Wars release much better… that and he’ll also have some great color correction tools at his disposal he didn’t before.