This video is all about painting in grayscale. Discussing some of the benefits of it, and the issues you will run into when trying to go from grayscale to color.
Everything was painted in Corel Painter.
Ahmed Aldoori's Youtube channel: https://www.youtube.com/user/revolutions34
Feel free to visit my patreon at: https://www.patreon.com/sinix
And check out a trial of Corel Painter 2018 here: https://store.corel.com/1103/cookie?affiliate=41673&redirectto=http%3a%2f%2fwww.painterartist.com%2fus%2fproduct%2fpaint-program%2f&redirecthash=704B327597306567128DF7E24C4D2D31