KEYNOTES OF COLOUR
WHEN it is desired to use a large quantity of a particular colour without giving the appearance of rawness, spots of the pure colour may be used and supported by broken tints of the same. Thus green spots supported by broken yellow-greens (lighter), and broken blue-greens (darker), will give a general effect of rich green, but much less raw than one plain space of unbroken green. Pure red supported by brownish reds and red-greys will similarly give a general effect of redness, but more or less sober according to the extent to which blue enters into the broken tints. The spots of pure colour have a stronger effect upon the mass than would the same amount mixed up in the broken tints.
Keynotes of pure colour are also of great value in refreshing a scheme which inclines either to dullness or heaviness. The numbc:r and size of the spots must be determined by experiment in accordance with the degree of brilliance required.
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