Lake pigment Lake pigment A lake pigment is a pigment made by precipitating a dye with an inert binder, or "mordant", usually a metallic salt. Unlike vermilion, ultramarine, and other pigments made from ground minerals, lake pigments are organic. Manufacturers and suppliers to artists and industry frequently omit the "lake" designation in the name. Many lake pigments are fugitive because the dyes involved are not lightfast. Red lakes were particularly important in Renaissance and Baroque paintings; they were often used as translucent glazes to portray the colors of rich fabrics and draperies. The term "lake" is derived from the term lac, the
Terry Pratchett's The Colour of Magic programming at Sky One, also appears as the Alchemist. A teaser trailer, released in late February 2008, featured principal cast members, including Rincewind, Twoflower, Trymon and the Arch-Astronomer of Krull, attempting to describe octarine, the 'colour of magic'. The teaser concludes with the film's tagline: "a pigment of your imagination". Two more trailers were released in March 2008, containing a more complete synopsis, with narration by Brian Cox. The trailers formed part of a multimillion-dollar advertising campaign in partnership with Amazon.com and Borders Books. In addition to conventional adverts in national newspapers and banner ads on sites including MSN.com and