Professional Watercolour - Antwerp BlueAntwerp blue, a luxurious transparent blue hue, is renowned for its depth and vibrancy. This captivating colour, a softer iteration of the historic Prussian Blue, emerged as the first synthetic blue pigment. Developed by the skilled German chemist Diesbach circa 1704, Antwerp blue has left an indelible mark in the realm of artistic pigments with its exquisite tone and fascinating origin story.