Since 1832 Winsor & Newton has maintained a reputation for excellence. Their wide artists' oil range of 114 colours feature an extremely high level of pigmentation with only the world's best pigments chosen. 111 colours are classified as permanent and offer unsurpassed covering power. All colours within the range are intermixable and can also be combined with other Winsor & Newton oil products, with the exception of (a)Thin alkyd films over thick oil and (b)Thick Oilbar films under oil films.