Winsor & Newton Artisan Water Mixable Oil Colours - Permanent Alizarin Crimson - 37 ML is magnificently designed to look and work just like traditional oil paint. The key difference between Artisan and conventional oils is its ability to thin and clean up with water. Artisan has been specifically developed to appear and work just like conventional oil colour. The depth of colour, buttery consistency, light fastness, opacity/transparency, performance and drying times of Artisan, allow artists to use this range for all oil colour techniques. Highly transparent with a blue undertone, Permanent Alizarin Crimson is a vivid red colour. Introduced in 1994, it has been formulatedas a highly permanent red pigment.