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Description

Color Swatch

Pigment Info

00461-7163 — Cobalt Green

Winsor & Newton Artists' Oil Color is unmatched for its purity, quality, and reliability - a success that is reflected in its worldwide reputation among professional artists. Sets also available.

Cobalt Green

This color contains the following pigments:

PG26—Cobalt Green Deep
PG50—Cobalt Green

PG26—Cobalt Green Deep

Pigment Type

inorganic

Chemical Name

Cobalt chromium oxide

Chemical Formula

n/a

Properties

This pigment offers a deep but dull and opaque tone of Cobalt Green. It has moderate covering power, but low tinting strength. It is primarily for use on its own, or for mixing with other cobalt colors. It is an alternative to cobalt(II) zinc oxide, another form of Cobalt Green.

Permanence

Cobalt pigments are absolutely lightfast.

Toxicity

Cobalt chromium oxide is slightly toxic, and is a possible carcinogen.

History

Cobalt chromium oxide is an alternative Cobalt Green to the better known cobalt zinc oxide. Both pigments were used by landscape artists before phthalocyanine-based pigments became widely available in the 20th century.

Alternate Names

n/a

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PG50—Cobalt Green

Pigment Type

inorganic

Chemical Name

cobalt titanium oxide

Chemical Formula

Co₂TiO₄

Properties

Cobalt Titanium Oxide is a low intensity color with a weak tinting strength, similar to Cobalt Blue. It has an average to fast drying time.

Permanence

Cobalt Green has excellent permanence and lightfastness.

Toxicity

Cobalt Green is considered toxic due to its cobalt component. Do not breathe its dust.

History

Since ancient times, smalt blue has been used to color glass and ceramics. Cobalt salts, which give smalt its characteristic blue color, were identified in the 18^th century. Techniques for manufacturing various cobalt salts, offering a range of blues and greens, were developed in the 19th century.