Pigment Comparison
Purple Haze vs Cosmic Blue
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
Purple Haze
W226
Product B
Cosmic Blue
W227
How they compare
Purple Haze and Cosmic Blue are both Michael Harding watercolours.
Purple Haze uses PG18, PB29, PO73; Cosmic Blue uses PBK11, PB15.1.
They differ in transparency, staining and tinting strength.
They share matching lightfastness, granulation and vegan status.
| Property | Purple Haze | Cosmic Blue |
|---|---|---|
| Pigment Index | PG18, PB29, PO73 | PBk11, PB15.1 |
| Lightfastness | Excellent | Excellent |
| Granulation | YES | YES |
| Staining | Low | Medium |
| Transparency | Transparent | Semi-Transparent |
| Tinting Power | 2 | 3 |
| Series | Series 2 | Series 2 |
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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.