Phthalocyanine Blue Lake vs Prussian 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.


Phthalocyanine Blue Lake and Prussian Blue are both Michael Harding watercolours.
Phthalocyanine Blue Lake uses PB15.3; Prussian Blue uses PB27.
They differ in staining and tinting strength.
They share matching transparency, lightfastness, granulation and vegan status.
| Property | Phthalocyanine Blue Lake | Prussian Blue |
|---|---|---|
| Pigment Index | PB15.3 | PB27 |
| Lightfastness | Excellent | Excellent |
| Granulation | YES | YES |
| Staining | High | Medium |
| Transparency | Transparent | Transparent |
| Tinting Power | 4 | 3 |
| Series | Series 1 | Series 1 |
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.


