PY43, PR102

Terra di Siena

Siena Earth, is a yellowish-brown oxide pigment, one of the first pigments to be used by humans. During the Renaissance it was produced in the city-state of Siena.

Raw Sienna

1. Codes: PY43
2. Chemical names : iron oxide (~ 95%) + manganese oxide (~5%)
3. Formula: Fe2O3 • H2O
4. Permanence: very lightfast
5. Opacity: opaque

Burnt Sienna

Raw Sienna becomes reddish Burnt Sienna when heated. It contains .

1. Codes: PR102
2. Chemical names : dehydrate anhydrous iron oxide, partially converted to hematite
3. Formula: Fe2O3
4. Permanence: very lightfast
5. Opacity: opaque

• HEX #882D17
• RGB (136, 45, 23)
• CMYK (0, 67, 83, 47)
• HSV (12°, 83%, 53%)