Since 1832 Winsor & Newton has maintained a reputation for excellence. Their wide artists' oil range of 114 colors feature an extremely high level of pigmentation with only the world's best pigments chosen. 111 colors are classified as permanent and offer unsurpassed covering power. All colors 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.