- From Paris, made from a 19th century recipe, One of the oldest synthetic pigments.Lead-tin yellow (Type I), the brightest yellow in oil painting. Artificial yellow pigment, venous, found by Jacobi in 1941 on some antique works. It is lead tinned. It is a light color between lemon yellow and medium yellow (depending on the characteristics of the manufacturing process). It is obtained by calcining a mixture of two parts tin dioxide and three parts leadiminium at about 800° C in closed crucibles. It was used as a pigment in frescoes and oil (especially between 1500 and 1750), and it was also used in glass and ceramic art. The name is sometimes also used in reference to mosaic gold.