Called Green In Landscape And Invisible Green In Mechanic Painting

: ON THE TERTIARY, OLIVE.

It is to be noted that in producing these and other compound colours on

the palette or canvass, those mixtures will most conduce to the harmony

of the performance which are formed of pigments otherwise generally

employed in the picture. Thus, presuming aureolin to be the principal

yellow used, the same yellow should be chosen for compounding orange and

green, or for obtaining indirectly citrine, russet, and olive.


>
PERMANENT GREEN. PERMANENT PURPLE.



Oxide of Chromium, opaque. Mars Violet, true.

Oxide of Chromium, transparent. Purple Madder.

Veronese Green.

Viridian.

Emerald Green.

Scheele's Green.

Terre Verte.



As in the case of russet, there may be added to the two original

purples, mixtures composed of durable reds and blues. There are so many

ways of producing the tertiaries, that no difficulty can be found in

compounding them with stable pigments. Each tertiary may be represented

as follows:--



CITRINE = Orange + Green.

" = (Yellow + Red) + (Yellow + Blue.)

" = 2 Yellow + Red + Blue.



RUSSET = Orange + Purple.

" = (Yellow + Red) + (Red + Blue.)

" = 2 Red + Yellow + Blue.



OLIVE = Green + Purple.

" = (Yellow + Blue) + (Red + Blue.)

" = 2 Blue + Yellow + Red.



From the above equations, and by consulting the lists given of permanent

primary and secondary colours, the artist will at once see how easily

and safely he may vary his mode of compounding the tertiaries.



TTITLE OLIVE GREEN,



More

;