Old Holland has been making artist colors since 1664, as one of the oldest continuously operating companies in the art supply industry. The company is known for uncompromising adherance to its techniques and standards. All color making is done by hand
Color Swatch created using heavy application/medium application/50% tint and was applied on acrylic primed canvas (7 oz) material.
Oxides of Cobalt and Chromium
Cobalt Chromite Blue is an opaque pigment with moderately low tinting strength.
Cobalt salts have excellent lightfastness and temperature stability.
Cobalt salts are toxic when ingested or inhaled, and slightly toxic on contact with the skin. Evidence of Chromium(III) carcinogenicity is inconclusive. Chromium(III) salts appear in greenish pigments.
Cobalt Turquoise, Shepherd Blue
Cobalt chromium oxide
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.
Cobalt pigments are absolutely lightfast.
Cobalt chromium oxide is slightly toxic, and is a possible carcinogen.
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.
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