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Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder. [2] Its lengthy grinding and washing process makes the natural pigment quite valuable—roughly ten times more expensive than the stone it comes from and as expensive as gold.
Prussian blue is a dark blue pigment containing iron and cyanide produced by the oxidation of ferrous ferrocyanide salts. It was invented in Berlin between 1704 and 1710. It had an immediate impact on the pigment market, because its intense deep blue color approached the quality of ultramarine at a much lower price.
Blue also varies in shade or tint; darker shades of blue contain black or grey, while lighter tints contain white. Darker shades of blue include ultramarine, cobalt blue, navy blue, and Prussian blue; while lighter tints include sky blue, azure, and Egyptian blue (for a more complete list see the List of colours).
Marian blue is a tone of the color ultramarine named for its use with the Virgin Mary. [2] Background. In paintings, Mary is traditionally portrayed in blue.
Yves Klein"International Klein Blue" (IKB) is a process registered in France on 19 May 1960 at the Institut national de la propriété industrielle (INPI) under Soleau envelope no. 63471 by the French artist Yves Klein. It combines ultramarine blue pigment with a very specific binder created with the help of a chemist.
Blue has a way of making people feel mellow, and a blue front door can produce those feelings as well. Lewis calls blue “calm” and “thought-provoking,” which means that your home’s ...
Blue was a latecomer among colors used in art and decoration, as well as language and literature. [7] [verification needed] Reds, blacks, browns, and ochres are found in cave paintings from the Upper Paleolithic period, but not blue. Blue was also not used for dyeing fabric until long after red, ochre, pink and purple.
Small and subtle, the blue ribbons worn by many celebrities at the Oscars nonetheless had an important message: support refugees. According to a statement from the U.N. High Commissioner for ...