Chrome Yellow Pigment

Description

Chrome Yellow is a vivid, opaque yellow pigment made from lead chromate (PbCrO₄). Depending on its formulation and particle size, it ranges from bright lemon yellow to deep golden yellow. Known for its brilliance and strong covering power, Chrome Yellow was one of the most important yellows of the 19th century, used by both fine artists and industry before its hazards were fully understood.

In use, it offers high opacity, strong tinting strength, and clean mixtures with earths and other mineral pigments. In watercolor it can appear flat and dense, while in oils and acrylics it yields warm, glowing yellows that remain powerful even in thin layers.

History

Chrome Yellow was first introduced around 1809, soon after the discovery of chromium. Its striking intensity quickly made it a favorite among painters, replacing traditional yellows such as orpiment and gamboge, which were either less stable or more difficult to prepare. In the pictured artwork 'A Wheatfield with Cypresses' by Van Gogh, chrome yellow is used to create the brilliant gold of the wheatfields.

By the mid-19th century, Chrome Yellow was used extensively in Impressionist and Post-Impressionist palettes. Vincent van Gogh, for example, relied heavily on it in works such as Sunflowers. However, the pigment was prone to darkening and browning due to chemical reactions with sulfur compounds and atmospheric pollution.

Industrial uses also flourished: Chrome Yellow appeared in paints, enamels, and even school buses in the 20th century. Eventually, its high toxicity (due to both lead and hexavalent chromium) led to it being phased out, replaced by safer cadmium yellows and synthetic organic alternatives.

CONTAINS LEAD. WEAR P100 FULL FACE OR HALF FACE PLUS GOGGLES RESPIRATOR. DO NOT SWALLOW OR INHALE. WEAR GLOVES AND DO NOT ALLOW IT TO BE ABSORBED THROUGH SKIN. P95 IS NOT SUFFICIENT.

Pigment Information

Pigment Type: Synthetic Inorganic

Chemical Composition: (PbCrO₄) (Lead Chromate)

Suitable Mediums: Watercolor, Oil, Tempera, Acrylic, Encaustic, Cold Wax, Casein, Milk, Swedish Flour, Lime / Fresco, Ceramics

Lightfastness: Moderate (prone to darkening)

Opacity: Opaque

Other Names: Chrome Yellow, Chromate Yellow, Paris Yellow, King's Yellow (sometimes confused with arsenic pigment)

Color Index Code: PY34

Image: 'A Wheatfield with Cypresses' by Van Gogh from the National Gallery