Cosmic Blue vs Purple Haze
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.


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


