It can often be introduced t advantage for this quality alone, and do no detriment to other colors. In fact, this very delicate color is frequently a decided acquisition, particularly in harmonizing the general treatment, by giving the entire painting the thinnest wash imaginable, called glazing. It gives thereby an additional warmth to white flowers, draperies, etc. ; but when employed for this purpose, it must not be deep enough to change the white flower to a yellow one, but just sufficient to veil the cold harsh gloss of the surface of pure white china.
Having already referred to yellow for mixing as the best in conjunction with greens, it must be added that it is by no means used exclusively for this purpose ; for both silver yellow and orange yellow are both used to render a crude green Less harsh and more agreeable. Although called yellow for mixing, its capacity to mix has its limitations, and had better be confined to greens. It is usually fatal to reds.
Silver yellow is one of the invaluable colors ; indeed, there is no better yellow for general work. It is equally satisfying, from the palest tint of a thin wash to its full strength. Albert's yellow is another fine color, a trifle stronger than silver yellow, but very pliable.
Orange yellow is the deepest and strongest of
