I prepared some paper, an old watercolour painting, with a mix of blue and white acrylic. In hindsight it could have been a little more mid-tone, but it was a last minute thing so it was a little rushed. I drew the figure in charcoal and then applied lighter and darker blues, with a few purples and reds for the hair. I think I used four colours in total.
I am always surprised by these life sessions. I rarely have time enough. This was done in about an hour and I thought I would be done in three quarters of an hour. Then you look and there is a bit which could be done better, or the position of something isnt quite right and needs adjustment. In the end I raced to the finish line getting there just before she put on her robe.
I have other figurative paintings and drawings on my website grahammcquadefineart.com.