Tempera Extra Fine Designers Tubo 14ml Sr.1 538-Blu Di Prussia | Winsor & Newton

prussian blue is a deep blue color. It was created by the german chemist diesbach around 1704, becoming the first synthetic blue pigment. It quickly gained popularity as an alternative to true ultramarine. color number 538 permanence a permanence permanent lightfastness code i lightfastness excellent opacity opaque series 1 pigment codes pb27