Indanthrone Blue vs Phthalo Blue Red Shade
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.


Indanthrone Blue and Phthalo Blue Red Shade are both Michael Harding watercolours.
Indanthrone Blue uses PB60; Phthalo Blue Red Shade uses PB15.1.
They differ in granulation.
They share matching transparency, lightfastness, staining, tinting strength and vegan status.
| Property | Indanthrone Blue | Phthalo Blue Red Shade |
|---|---|---|
| Pigment Index | PB60 | PB15.1 |
| Lightfastness | Excellent | Excellent |
| Granulation | NO | YES |
| Staining | High | High |
| Transparency | Transparent | Transparent |
| Tinting Power | 4 | 4 |
| Series | Series 2 | 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.


