I have a Facebook page where I compare different color restorations from one release of a Disney film to another. So far, the most appalling color restorations that I have seen are the Diamond Edition of Beauty and the Beast, the region 1 DVDs of Disney’s The Prince and the Pauper, and the 2002 DVD of The Great Mouse Detective.
If you would like to see for yourself, here’s a link:
https://www.facebook.com/pg/Special-Edition-226162374112568/posts/