tertiary colours การใช้

Orange is a tertiary colour which is numerically halfway between RGB colour wheel.
It shows that by now Cottier had developed a keen sense of colour harmony, heavily reliant on the juxtaposition of contrasting primary or tertiary colours.
:: : In printing, there are lots of subtleties that prevent tertiary colours having much meaning ( though in some processes they can be reproduced ).
Pale blue lettering on sage green ground, citrons, olives, and tertiary colours were employed much as they were used by the so-called aesthetic school of furnishers of the same period ."
In the late 19th century there is often a great richness in the colouration of the windows, marked by a use of tertiary colours including rich purple, salmon pink, olive green, claret red, saffron and brown . " Flashed glass " was skillfully employed to enhance deep folds in robes.