Knowing how to buy oil paints online UK without ending up disappointed takes a little know-how. Brand name alone isn't enough pigment codes, lightfastness ratings, and series numbers all matter. Understanding these basics before you order will save you money and ensure the colours perform exactly as you expect.
Check the Pigment Information
Every professional oil paint tube should list its pigment codes for example, PB29 for French Ultramarine. Fewer pigments per colour generally means cleaner, more vibrant mixes. Ranges that use vague colour names without disclosure are usually a sign of lower-grade formulations packed with fillers.
Understand Lightfastness Ratings
Lightfastness tells you how resistant a colour is to fading. Look for ASTM I or II ratings it's what separates a painting that lasts decades from one that fades within a few years. Cowling & Wilcox stocks only brands that meet a professional standard for lightfastness, so every tube you order is built to last.
Series Numbers and Value
Most brands organise colours into series (1 upwards), with Series 1 being most affordable and higher series containing rarer pigments. Building a mixed-series palette helps manage cost without compromising on key colours. If you're unsure where to start, professional oil paints in Series 1 and 2 cover the vast majority of what most artists need day to day.
FAQ
Is it safe to buy oil paints online?
Yes provided you're shopping with a reputable specialist. Cowling & Wilcox stocks only authenticated products from established manufacturers.
What's the best oil paint for portrait work?
Titanium White, Yellow Ochre, Cadmium Red Hue, and Burnt Sienna are a strong foundation. Winsor & Newton Artists' Oil is particularly well-suited for portrait painters.
Conclusion:
When you buy oil paints online in the UK, focus on pigment codes, lightfastness ratings, and trusted brand names these three factors will always point you towards a quality purchase.
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