![]() ![]() However, even though it was cheaper, it did have a tendency to turn an ugly grayish-green, when too much oil was added to it when painting. Ultramarine is currently imitated by a process invented in France in 1826 by Jean Baptiste Guimet, making blue affordable to artists and extending the range of colors on their palettes. This particular cobalt blue pigment was more affordable than ultramarine blue, which was expensive and derived from lapis lazuli. It was one of the most expensive pigments in 16th century Europe, worth twice its weight in gold, and so was used sparingly and when commissions were larger. It is a prominent component of lapis lazuli and was used on Asian temples starting in the 6th century. Laboriously ground from lapis lazuli, a semi-precious stone mined only in. The name for this pigment comes from the Middle Latin ultra, meaning beyond, and mare, meaning sea, because it was imported from Asia to Europe by sea. Until the 19th century the best blue pigment available to artists was ultramarine. It may discolor if exposed to acid because of its sulfuric content. Ultramarine has excellent permanence, although synthetic Ultramarine is not as permanent as natural Ultramarine. Considered a great color for glazes, it is not suitable for frescoing. It can dull when mixed with white in acrylic form, but mixes well with other colors. The visual complement of ultramarine blue is a yellowish green, but the mixing complement of ultramarine blue is a dull deep yellow mixing ultramarine blue and greenish yellow paints produces a dark bluish green. Brown acrylic paint from the Amsterdam Standard series of Royal Talens, which is available in. French Ultramarine mixes well with Alizarin colors in oil and watercolor form to create a range of purples and violets. Acrylic Paint : Amsterdam Standard : 512 Cobalt Blue Ultramarine. Ultramarine dries slowly in oil and tends to produce clean, though granular, washes in watercolor. Synthetic Ultramarine is not as vivid a blue as natural Ultramarine. It has a moderate to high tinting strength and a beautiful transparency. This half pan of Cobalt Blue Ultramarine 512 is formulated with pigment(s) PB29/PW6, is transparent, and has a lightfastness rating of +++ (at least 100 years. Ultramarine is the standard warm blue, a brilliant blue pigment that has the most purple and least green in its undertone. Pigment Information This color contains the following pigments:Ĭomplex silicate of sodium and aluminum with sulfur Chemical Formula ![]()
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