Paint & Colour Mixing / A practical handbook for painters, decorators and all who have to mix colours, containing 72 samples of paint of various colours, including the principal graining grounds

by Arthur Seymour Jennings

Antwerp Blue.

—This colour should always be bought ready made. If necessary to imitate it, mix one part of bright green with two parts of ultramarine; add a very little zinc or other white, but not lead. Brunswick blue is frequently used in the place of Antwerp blue.