Another Sitting, added color to Sargent copy

Sargent copy with angel and coffee cup in progress, 18x24, acrylic on canvas, Patricia Bennett 

I added some color back in today.

Acrylic is a challenging medium due to its rapid drying time.  Sargent's color mixing seems to be making a massive amount of one tone, then taking that tone and varying its value and tone with subtle additions of other colors.  He uses a warm stroke, then attached to it is a cool stroke.  I noticed this in the hair area, which he treats as tree foliage in his drawings, and in the nose and eyelids...