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Drawing & Visual Arts
Observe light and shade
Value is how light or dark a mark appears. A simple light-to-dark scale helps you describe form without relying on colour.
Worked example
Draw five boxes and shade from very light to dark. Then draw a sphere with a light source at the upper left: keep that side lighter and deepen the opposite side.
Try it yourself
Why should the light source stay consistent?
Reveal the answer and reasoning
Consistent light gives the form a coherent appearance. Changing it accidentally makes the object look flat or contradictory.
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