What has been remarked in the preceding chapter upon the production of mixed citrine colours, is equally applicable in general to the mixed russets: we need not, therefore, repeat it. By the immediate method of producing it materially from its secondaries, orange vermilion and madder purple afford a compound russet pigment of a good and durable colour. Chrome-orange and purple-lake yield a similar but less permanent mixture.

Many other less eligible duple and triple compounds of russet are obvious upon principle, and it may be produced by adding red in due predominance to some browns; but these, like most compounds, are inferior to original pigments: -