Value contrast refers to the difference in lightness and darkness between colours. It is one of the most critical aspects of colour contrast because our eyes are highly sensitive to variations in value. High value contrast can create a striking effect, drawing attention to particular areas of an artwork.
For instance, a dark object against a light background will stand out prominently, making it the focal point of the composition. This principle is often used in chiaroscuro, a technique that employs strong contrasts between light and dark to give the illusion of volume in modelling three-dimensional objects and figures.
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