On https://youtu.be/_42lYcPDcjQ?t=698
Adam Duff mentions Marco Bucci and online art academy as examples of artists who know how to teach color very well.

I search the internet for online art academy, and I found http://www.onlineartacademy.com/ and https://www.youtube.com/user/skiptothelove
Did I find the right resources that adam duff was referring to?