The subject set against a coloured backdrop + a spotlight. Cast shadows and reflected colour will also be part of the painting exercise.
Blue/Mauve & Yellow + addition of white will be the only colours used or /vermillion and viridian green (Complementary colours)
Starter exercise - Mixing a range of hues and tints with only two colours
Main exercise - Lining in subject of composition, followed by developing the form and the setting by only using two complementary colours with addition of white. Consideration of tone that will be needed to establish form of single object and mixing of colours specific to the subject. Reference to William Nicholson and Zubarain