Derwent coloursoft pencils are soft, smooth and velvety. Richly pigmented, they can be mixed and blended to create an infinite spectrum of rich, vibrant colours. They’re ideal for a wide range of drawing styles, from bold contemporary still life to portraiture and more detailed work like fashion illustration and landscapes. colours are highly blendable and the core glides smoothly over a wide variety of drawing surfaces. colourSoft pencils are acid-free and tested for lightfastness.