Pigment Comparison
Transparent Oxide Red 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
Transparent Oxide Red
No. 220
Product B
Napthol Red
No. 301
How they compare
Transparent Oxide Red and Napthol Red are both Michael Harding oil colours.
Transparent Oxide Red uses PR101; Napthol Red uses PR188.
They differ in transparency and drying time.
They share matching lightfastness, tinting strength, vehicle and vegan status.
| Property | Transparent Oxide Red | Napthol Red |
|---|---|---|
| Chemistry | Inorganic | Organic |
| Oil Type | Linseed Oil | Linseed Oil |
| Drying Time | Very Fast | Average |
| Pigment Index | PR101 | PR188 |
| Lightfastness | Excellent | Excellent |
| Opacity | Transparent | Semi-Transparent |
| Series | Series 2 | 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.