How to achieve the desired colour effects on a 2D surface has taxed painters, who were once dependent on a thorough knowledge of the materials they used. Walls, wooden panels, canvas, paper, have, for instance, different degrees of absorption.
Pigments were derived from minerals or vegetable matter and dissolved in a binder of egg yolk, oil or water. The properties of minerals had to be known to avoid or allow for colour changes when exposed to light.
Happily, since the 19th century colour merchants have taken over from artists the scientific job of colour production.
This is an art education resource in e-book pdf format for schools, higher education, art classes and lifelong learning.
Contents: 41 pages, 30 Portraits and teaching notes. See contents
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