Perhaps blue, red, and yellow strike the mind more forcibly from there not being any great union between them, as martial music, which is intended to rouse the nobler passions.
Sir Joshua Reynolds, Edward Malone (1867). “The Works of Sir Joshua Reynolds: Containing His Discourses, Idlers, A Journey to Flanders and Holland, and His Commentary on Du Fresnoy's Art of Painting; to which is Prefixed an Account of the Life and Writings of the Author by Edward Malone”, p.33
