Orange Benzimidazolone vs Warm Yellow
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.


Orange Benzimidazolone and Warm Yellow are both Michael Harding watercolours.
Orange Benzimidazolone uses PO36.1; Warm Yellow uses PW6, PW4, PY83.
Orange Benzimidazolone is single-pigment, while Warm Yellow blends 3 pigments.
They differ in transparency and lightfastness.
They share matching granulation, staining, tinting strength and vegan status.
| Property | Orange Benzimidazolone | Warm Yellow |
|---|---|---|
| Pigment Index | PO36.1 | PW6, PW4, PY83 |
| Lightfastness | Excellent | Very Good |
| Granulation | NO | NO |
| Staining | Low | Low |
| Transparency | Semi-Transparent | Semi-Opaque |
| Tinting Power | 2 | 2 |
| 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.


