Pigment Comparison
Cobalt Violet Dark 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
Cobalt Violet Dark
No. 602
Product B
Napthol Red
No. 301
How they compare
Cobalt Violet Dark and Napthol Red are both Michael Harding oil colours.
Cobalt Violet Dark uses PV14; Napthol Red uses PR188.
They differ in tinting strength and drying time.
They share matching transparency, lightfastness, vehicle and vegan status.
| Property | Cobalt Violet Dark | Napthol Red |
|---|---|---|
| Chemistry | Inorganic | Organic |
| Oil Type | Linseed Oil | Linseed Oil |
| Drying Time | Fast | Average |
| Pigment Index | PV14 | PR188 |
| Lightfastness | Excellent | Excellent |
| Opacity | Semi-Transparent | Semi-Transparent |
| Series | Series 6 | Series 3 |
| Toxicity | Non-Toxic | Non-Toxic |
scroll for more →
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.