- Inspiration: v16113How to paint watercolours with light brush strokesLearn to paint watercolours with this video. This technique demonstrates how you can create beautiful effects with the colours with light brush strokes. Here we are demonstrating the technique by painting blades of grass with quick, light brush strokes. Use the video to explore this watercolour technique – either as a beginner or as an intermediate. A tip: you may experiment with different types of brushes thus creating other effects with this technique.