order to fulfil the requirements of art, and to produce harmonious results.
In painting a cluster of pink roses, but very little pure color is used. The highest lights, the shadows, reflected light, transmitted light, etc., must be expressed by other tones than the local color.
Trees in a landscape especially if on three different planes, -- the foreground, the middle distance, and those at a remote point of vision, -- cannot be expressed with one shade of green.
A differentiation in color is indispensable to delineate perspective and atmospheric effects. Color must be qualified to obtain a scale of gradation to suit the demands of the subject, otherwise the crude appearance of raw color would create a very unpleasant and unnatural result.
To assert on one page that greens cannot be obtained by mixing, and on another that they must be mixed to obtain the best results, may seen inconsistent, To avoid any misunderstanding, an illustration will exactly explain this apparent contradiction, and it is an important one to remember.
Chrome green is a very raw, cold green, bluish in tone, and, though one of the useful greens, is seldom used in its crude condition. But its value depends upon the ease with which a whole range
