Download link:
http://surl.li/fztxu
(it is not a scam, it is a shortened link, long link is in the comments)
This is a small wordpress plugin that will make the new Elementor (v 3.12) look very very close to the old Elementor in terms of colors.
I did my best to change what I managed, if you find things that are not changed write in the comments and if I can I will change them.