Sketching up a Design
This tip is for working on canvas with a smooth primed finish:
To keep the colours fresh for acrylic painting I usually sketch the composition in pastel. The colours blend in easily with the acrylic washes…. and the best part is that it can be wiped off with a damp rag should – there be an error 🙂 whereas charcoal may stain and graphite is difficult to remove.
The two images below show the pastel and acrylic washes as I constructed the painting, and then the finished oil painting Rununculi Medley.