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Colour Index Code
PBR7
Raw / Burnt Sienna
- Chemistry
- Natural iron-manganese oxide
- Origin
- Mineral earth (Tuscany, Italy).
- History
- A warm, translucent earth pigment; burnt sienna is calcined raw sienna for depth and richness.
- Toxicity
- Non-toxic.
Raw / Burnt Sienna (PBR7) is Natural iron-manganese oxide. In our watercolour range it is semi-transparent, yes granulation, excellent lightfastness.
- Transparency
- Semi-Transparent
- Granulation
- YES
- Staining
- Low
- Lightfastness
- Excellent
PBR7: Questions & Answers
What is PBR7?
PBR7 (Raw / Burnt Sienna) is Natural iron-manganese oxide. Mineral earth (Tuscany, Italy)..
What is the chemistry of PBR7?
PBR7 is Natural iron-manganese oxide.
Is PBR7 toxic?
Non-toxic.
Is PBR7 lightfast?
In the Michael Harding range, colours using PBR7 are rated excellent for lightfastness.
Is PBR7 transparent or opaque?
PBR7 is semi-transparent.
Does PBR7 granulate?
In watercolour, PBR7 is granulating.
Which Michael Harding colours use PBR7?
PBR7 appears in 14 Michael Harding colours: Forest Green, Italian Green Umber, Raw Sienna, Italian Brown Ochre, Burnt Sienna, Transparent Oxide Brown and 8 more.
Michael Harding colours using PBR7
14 colours across both rangesLightfastness: ExcellentOil Colours containing PBR7
6 coloursNo. 250 Forest Green
Series 2
Semi-TransparentFastCool
- Pigment
- PBr7, PB15.1
- Type
- Organic/Inorganic
- Lightfastness
- Excellent
- Oil Content
- Average
- Tint Power
- High
No. 132 Italian Green Umber
Series 1
Semi-TransparentFastWarmⓋ Vegan
- Pigment
- PBr7
- Type
- Inorganic
- Lightfastness
- Excellent
- Oil Content
- Average
- Tint Power
- Average
No. 120 Raw Sienna
Series 1
Semi-TransparentFastⓋ Vegan
- Pigment
- PBr7
- Type
- Inorganic
- Lightfastness
- Excellent
- Oil Content
- Average
- Tint Power
- Average
No. 223 Italian Brown Ochre
Series 2
Semi-TransparentFastⓋ Vegan
- Pigment
- PBr7
- Type
- Inorganic
- Lightfastness
- Excellent
- Oil Content
- Average
- Tint Power
- Average
Watercolours containing PBR7
8 colours
No. W232 Italian Green Umber
Series 2
TransparentCool
- Pigment
- PBr7, PG23
- Lightfastness
- Very Good
- Tint Power
- 1
No. W164 Forest Green
Series 1
Semi-TransparentCool
- Pigment
- PBr7, PB15.1
- Lightfastness
- Excellent
- Tint Power
- 3
No. W120 Raw Sienna Light
Series 1
Semi-TransparentWarm
- Pigment
- PBr7
- Lightfastness
- Good
- Tint Power
- 2
No. W113 Raw Sienna Dark
Series 1
Semi-TransparentWarm
- Pigment
- PBr7
- Lightfastness
- Good
- Tint Power
- 2
No. W148 Italian Brown Ochre
Series 1
Semi-TransparentWarm
- Pigment
- PBr7
- Lightfastness
- Very Good
- Tint Power
- 2
No. W131 Italian Burnt Ochre
Series 1
Semi-TransparentWarm
- Pigment
- PBr7
- Lightfastness
- Good
- Tint Power
- 2
| Colour | Medium | Transparency | Lightfastness | Granulation |
|---|---|---|---|---|
| Forest Green No. 250 | Oil | Semi-Transparent | Excellent | — |
| Italian Green Umber No. 132 | Oil | Semi-Transparent | Excellent | — |
| Raw Sienna No. 120 | Oil | Semi-Transparent | Excellent | — |
| Italian Brown Ochre No. 223 | Oil | Semi-Transparent | Excellent | — |
| Burnt Sienna No. 125 | Oil | Semi-Transparent | Excellent | — |
| Transparent Oxide Brown No. 224 | Oil | Semi-Transparent | Excellent | — |
| Italian Green Umber W232 | Watercolour | Transparent | Very Good | YES |
| Forest Green W164 | Watercolour | Semi-Transparent | Excellent | YES |
| Raw Sienna Light W120 | Watercolour | Semi-Transparent | Good | YES |
| Raw Sienna Dark W113 | Watercolour | Semi-Transparent | Good | YES |
| Italian Brown Ochre W148 | Watercolour | Semi-Transparent | Very Good | YES |
| Italian Burnt Ochre W131 | Watercolour | Semi-Transparent | Good | YES |
| Earth of Cyprus W157 | Watercolour | Semi-Transparent | Good | YES |
| Transparent Oxide Brown W132 | Watercolour | Semi-Transparent | Excellent | YES |
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Pigments in the same family
Mix with
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