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Winsor & Newton Cotman Watercolor - Gamboge Hue, 21 ml tube

Cotman Watercolors

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$8.02

Blick Art Materials · recorded Oct 21, 2026, 11:26 AM UTC

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Product details
Size
21 ml
Blick SKU
00325-4502
About this product range
  • Quality student-grade range
  • 40+ colors, including modern and historic pigments
  • Strong tint strength
  • Reliable transparency and lightfastness
  • Uniform consistency for beginners and students

Cotman Watercolors offer Winsor & Newton's renowned quality at an accessible price for students, beginners, and budget-conscious artists. Available in 8 ml and 21 ml tubes, the range features over 40 colors carefully selected for their tone, undertone, strength, and versatility in mixing.

Formulated with a blend of traditional and modern pigments—from natural earths to vibrant organic pigments—these colors allow for a variety of effects, from easy lifting to subtle washes to expressive, high-staining color. Most colors are transparent, with a smooth, consistent texture that makes them easy to work with, especially for those just starting out.

To keep the range affordable, a few of the more expensive pigments have been replaced with cost-effective alternatives—without sacrificing performance. With good to excellent permanence ratings, Cotman tubes are a reliable, affordable option for anyone looking to build a versatile palette without compromise.

Pigment information

General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.

Quinacridone Red

Pigment code
PR209
Type
organic, quinacridone
Properties
Quinacridone Red is a bright, clean red pigment with average drying time. Quinacridone pigments have relatively low tinting strength in general. For this reason, quinacridone colors are often expensive, because more pigment is required in the formulation.
Permanence
Quinacridone Red has excellent permanence and lightfastness.
Toxicity
Quinacridone Red has no known acute hazards. Overexposure to quinacridone pigments may cause skin irritation. Quinicridone pigments contain a compound found to be a skin, eye, and respiratory irritant.
History
Although quinacridone compounds became known in the late 19th century, methods of manufacturing so as to make them practical for use as commercial pigments did not begin until the 1950s. Quinacridone pigments were first developed as coatings for the automotive industry, but were quickly adopted by artists.

Nickel Azo Yellow

Pigment code
PY150
Type
inorganic
Chemical name
nickel azomethine yellow
Chemical formula
C30H18Cl2N6NiO4
Properties
Nickel Azo Yellow is a transparent, moderately staining yellow pigment with high tinting strength. It is considered a good color match in botanical and landscape painting for natural gamboge (NY24), a historic yellow pigment with fair to poor lightfastness.
Permanence
Nickel azomethine yellow has excellent lightfastness.
Toxicity
Nickel azo yellow pigment is mildly toxic, and is often labeled as hazardous. Avoid respiratory and skin exposure to pigment dust. It should be disposed of properly with other hazardous wastes, not washed down the sink.
History
Nickel azomethine yellow has been developed as an artist pigment becasue it is a close match for gamboge, a historic yellow.
Description
Gamboge Hue, New Gamboge.

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