Derwent Professional Coloursoft Colour Pencil SetsDerwent Coloured Pencil Derwent Watercolour Pencil Derwent Pastel Pencil Derwent Charcoal Pencil Derwent Graphite Pencil Derwent Art Accessory The Derwent Coloursoft is the softest Derwent pencil ever. They have a really soft texture which brings out the richness of the colour. Up to 72 vibrant colours Dry colour pencil Round 8mm barrel Wide 4mm core Soft texture The pencils have a soft, velvety strip, ideal for the quick application of bold colour.