Watercolour paint for dependable opaque white coverage, useful for sketches, highlights and corrections. Students and hobbyists gain confidence from consistent mixing and the convenient tube format. Is Winsor & Newton Cotman Water Colour the right white to keep in your palette?
⚡ At a Glance
- • Opacity: Opaque, designed to give solid coverage for highlights and corrections
- • Best for: Students, hobbyists and illustrators seeking reliable, economical white paint
- • Not ideal for: Artists who need ultra-high pigment concentration for fine glazing techniques
Series 1 Cotman watercolour in a 21ml tube, Chinese White, Colour Index PW4 with Permanence AA. Conforms to ASTM D4287, intended as an economical, everyday white for practice and finishes.
Consistent coverage, with Colour Index PW4 pigment
Colour Index PW4 is listed for the pigment used, and the formulation is noted as opaque. The Cotman series selects pigments to balance performance with economy.
Reliable opaque coverage cuts down on multiple rework layers and helps maintain clean highlights. Excellent coverage appears in user feedback, useful for corrections and blocking in shapes.
Good lightfastness, thanks to Permanence AA rating
Permanence rated AA indicates a high level of resistance to fading under appropriate display conditions. The sample conforms to ASTM D4287, a recognised standard for artists' materials.
Artwork retains bright whites for longer, reducing worries about rapid discolouration. Suitable for pieces intended for regular display or sale where longevity matters.
Convenient tube format, with 21ml volume for portability
Supplied in a 21ml (0.71oz) tube, the format keeps the paint fresh and is easy to transport. Cotman Series 1 aims to offer selected pigments for practical everyday use.
Compact tube fits into a sketch kit or bag and dispenses controlled amounts, sensible for on-location work and classroom use. Regular practice benefits from the manageable size and minimal waste.
✨ The 4 Key Reasons for Winsor & Newton Cotman Water Colour
- Selected pigments - Reliable mixing and consistent tints across a range of palettes
- Permanence AA - Strong lightfastness retains colour in long-term gallery displays
- 21ml tube - Portable size for sketching and regular practice sessions
- ASTM D4287 conformity - Meets recognised safety and performance standards for artists' materials
📋 Technical Details at a Glance
- Category: Cotman watercolour
- Brand: Winsor & Newton
- Series: Cotman Series 1
- Colour: Chinese White (150)
- Colour Index: PW4
❓ Frequently Asked Questions
Q: Is Chinese White opaque or transparent?
A: Chinese White is listed as opaque, offering solid coverage for highlights and corrections.
Q: What size is the tube?
A: The tube contains 21ml, also given as 0.71oz in the product description.
Q: How durable is the colour over time?
A: Permanence is rated AA and the paint conforms to ASTM D4287, indicating good resistance to fading under normal display conditions.
🏆 Our Verdict
The Winsor & Newton Cotman Water Colour is well suited to students, hobbyists and illustrators who need a dependable, economical white for practice and finished touches. Opaque PW4 pigment, an AA permanence rating and a portable 21ml tube make it practical for highlights, corrections and display works. While aimed at value-conscious buyers, the ASTM conformity and permanence rating support long-term usability and consistent results.
