Watercolour inspired using clip studio paint water colour brushes and "extract line" layer property that helps enhance edges and somewhat mimics an edge shader in game engines.
Concept level art FINAL
Concept level art (light in orange was hard ti see)
Without orange saturation layer
Without extract Line layer effect in Clip Studio Paint set as a multiply layer (extract line creates a layer of black lines and white colour)
Concept for concept. Figuring out order/ shape/colour and trying to tell a story. Final panel did not represent the other colours and seems to similar to yellow.