Portrait paintings can problematic for some artists that are just starting out. Some even develop a fear of it.
If you're one of them, check out this article from Empty Easel. It's called How to Paint Portraits from Photos.
In it, Brandi Bowman shares fascinating tips. Here’s one that’s particularly thought-provoking:
I have found that the following five colors are all you need for most skin tones: french ultramarine, titanium white, alizarin crimson, yellow ochre, and burnt umber.
I also like to use linseed oil to increase the flow of the paint. Pour a small amount ...