Page:Cyclopedia of Painting-Armstrong, George D (1908).djvu/87

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COLOR MIXING
79

four of ultramarine blue. The name is also applied to the best quality of artificial ultramarine.

Gobelin Blue. Mix together four parts of ivory black, two of white, one of chrome green, and three of Prussian blue.

Granite Blue. To produce this shade mix two parts of black with six of white and one of ultramarine blue.

Heliotrope. This color is obtained by using two parts of zinc white, three of bright red, and four of ultramarine blue.

Implement Blue. This is made simply by mixing ultramarine with white. Barytes and zinc mixed are frequently used for the white, as lead cannot be employed in the presence of ultramarine.

Indigo. This dark blue is a natural vegetable pigment. An imitation may be produced by using nine parts of black and four of Prussian blue, but this will not look like the real thing. Indigo should not be mixed with lead or lead chromates. It is a very useful color and deserves to be used to a much greater extent than it is at present.

Lavender. Three parts of ultramarine blue and one part of carmine, added to zinc as a base, give a very good lavender tint for inside work. Ivory black mixed with a little carmine and ultramarine and added to white lead may be employed for outside work.

Light Blue. This is simply an ultramarine blue tint produced by the addition of zinc white, or the color may be obtained by tinting white lead with Prussian blue.

Lime Blue. This is a color much used formerly for mixing distemper, but artificial ultramarine has to a great extent supplanted it. It must not be used in oil. The color usually sold for lime blue is a variety of ultramarine.

Marine Blue. A very dark blue, which is obtained by mixing one part of ultramarine blue with nine of ivory black.

Mascot. This is a very dark blue shade, which is got