Chromatics, or, An essay on the analogy and harmony of colours (1817)
Field, George, 1777?-1854 · London : Printed for the author by A.J. Valpy, Tooke's Court, Chancery Lane, and sold by Mr. Newman, Soho Square · leaf 15
4 § 7- These principles have also a similar triple relation latently, both which relations are compounded or conjoined in colours. Accordingly, when in latent concurrence, the element or principle of black or shade predominates, it determines the colour blue; when that of white or light… … § 8. By the union of these three positive colours in due subordination, they are neutralized, and the negative colours grey, &c. elicited by a transition of their princi- ples from latent to sensible concurrence.
Color
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