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26/11/2014

"Optical ash" is manifested transparent painting a visual effect

. Ancient artists or oily tempera colors on the bottom were stained with glaze after resin varnish coated with transparent or translucent overlay that revealed by overlapping colored layer, which produce strange color transparent gray - "Optical ash" . This transparent gray and deployed out of gray compared to the visual effect is not the same. It is a direct painting can not achieve. Rubens was on to create the optical ash is known, he told his students, said:. "At least the last layer of dark color department should be transparent."

(by thomas kinkade prints)

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