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EntityQ899318· pop 22· linked from 119 articles

Sienna () is an earth pigment containing iron oxide and manganese oxide. In its natural state, it is yellowish brown, and it is called raw sienna. When heated, it becomes a reddish brown, and it is called burnt sienna. It takes its name from the city-state of Siena, where it was produced during the Renaissance. Along with ochre and umber, it was one of the first pigments to be used by humans, and is found in many cave paintings. Since the Renaissance, it has been one of the brown pigments most widely used by artists.

Key facts

Color.hex
623034
Color.title
Terra di Siena bruciata, or burnt sienna (Italian)
Color.spelling
colour
Color.isccname
Strong brown
Color.source
X11

via Wikipedia infobox

~8 min read

Encyclopedic overview

11 sections
Contents
  • Earth colors
  • History
  • Historical preparation
  • Shades and variations
  • Raw sienna
  • Burnt sienna
  • Burnt sienna pigment (Maerz and Paul)
  • Dark sienna (ISCC-NBS)
  • Sienna (X11 color)
  • See also
  • References

Sienna () is an earth pigment containing iron oxide and manganese oxide. In its natural state, it is yellowish brown, and it is called raw sienna. When heated, it becomes a reddish brown, and it is called burnt sienna. It takes its name from the city-state of Siena, where it was produced during the Renaissance. Along with ochre and umber, it was one of the first pigments to be used by humans, and is found in many cave paintings. Since the Renaissance, it has been one of the brown pigments most widely used by artists.

The first recorded use of sienna as a color name in English was in 1760.

Excerpted from Wikipedia’s “sienna” article, available under the CC BY-SA 4.0 licence.