Prussian Blue is a deep blue colour. It was made by German chemist Diesbach around 1704 making it the first synthetic blue pigment.

Prussian Blue is a deep blue colour. It was made by German chemist Diesbach around 1704 making it the first synthetic blue pigment. It quickly gained favour as an alternative to genuine Ultramarine.

普魯士藍(Prussian Blue)是一種深藍色。 它由德國化學家迪斯巴赫於 1704 年左右製成，使其成為第一種合成藍色顏料。 作為真正群青(Ultramarine)的替代品，它很快就獲得了青睞。