| the Basis of construction of colour harmonies - revealing of the dominating colour playing a dominant role in a composition, and maintenance of colour balance. The basic colour tone choose proceeding from psychophysiological, functional and aesthetic requirements. Its dominating role is defined by the greatest area, brightness, or a saturation in comparison with other colours participating in a composition, or the location in sight of the observer. Other colours are opposed to the main thing on colour tone, a saturation and svetlote in contrast harmonies or approach under the colour characteristic in njuansnyh.
For maintenance of colour balance of colour the most sate should occupy the smaller space, and less sated - big. At definition of some colour harmonies it is possible to use the colour schedule (fig. 84 see). First of all it is necessary to establish steams vzaimodopolnitelnyh the colours, received on a straight line (an interval 180 В°), passing through point E and connecting opposite sides of a contour of the schedule (yellow - dark blue, orange - blue-green, violet - flavovirent etc.). Harmonious combinations are formed by comparison of colours to intervals in 120, 90, 72 and 60 В°. For example, harmonious combinations to an interval 120 В° - orange - blue-green; with an interval in 90 В° - yellow, purple, dark blue, blue-green etc.
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