Pigment Comparison
Pyrrole Crimson vs Napthol Red
Choose any two products — oil colours, watercolours, mediums or primers — to see a concise comparison of how they differ and what they share, alongside the full specification table.
Product A
Pyrrole Crimson
No. 320
Product B
Napthol Red
No. 301
How they compare
Pyrrole Crimson and Napthol Red are both Michael Harding oil colours.
Pyrrole Crimson uses PR264; Napthol Red uses PR188.
They differ in transparency and tinting strength.
They share matching lightfastness, drying time and vehicle.
| Property | Pyrrole Crimson | Napthol Red |
|---|---|---|
| Chemistry | Organic | Organic |
| Oil Type | Linseed Oil | Linseed Oil |
| Drying Time | Average | Average |
| Pigment Index | PR264 | PR188 |
| Lightfastness | Excellent | Excellent |
| Opacity | Transparent | Semi-Transparent |
| Series | Series 3 | Series 3 |
| Toxicity | Non-Toxic | Non-Toxic |
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Colour Disclaimer: Colours shown on screen or in print may vary from the actual product. For the most accurate representation of colour, texture and finish, we recommend viewing a physical sample or swatch in person before making your final selection.