The colors have a high degree of transparency, making them suitable for thin glazes, typical only of natural organic dyes. The colors are composed of pigments very light and extremely refined, some of which produce effects of light granulation on paper. These colors were chosen for their historical importance and have given good results of stability. Natural dyes, impure, soft, dynamic, rich in reflections, they keep alive the bond with the raw material, the climate and the land in which they are born. The dye is extracted in the form of lacquer according to ancient medieval recipes and ground with gum arabic and honey. Each watercolor weighs about 4g, and the brown color, almost black of the watercolor solidified pasta in the godet is indicative of the natural transparency of the pigment.