6 Color names for "Sienna"

This infobox shows the colour dark sienna. This variation is from the ISCC-NBS colour list. A similar dark sienna paint was frequently used on Bob Ross's TV show, The Joy of Painting.

Sienna (from Italian: terra di Siena, meaning "Siena earth") is an earth pigment containing iron oxide and manganese oxide.In its natural state, it is yellowish brown and is called raw sienna.When heated, it becomes a reddish brown and 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. The normalized color coordinates for sienna are identical to kobe, first recorded as a color name in English in 1924.

This variation of burnt sienna is from the Maerz and Paul "A Dictionary of Color" from 1930. It is considerably lighter than most other versions of burnt sienna. It was a mix of burnt orange and raw sienna.

The web colour sienna is defined by the list of X11 colours used in web browsers and web design.

Raw sienna is a yellowish-brown natural earth pigment, composed primarily of iron oxide hydroxide. The box shows the colour of the pigment in its natural, or raw state. It contains a large quantity of iron oxide and a small quantity (about five percent) of manganese oxide. This kind of pigment is known as yellow ochre, yellow earth, limonite, or terra gialla.The pigment name for natural raw sienna from the Colour Index International, shown on the labels of oil paints,is PY-43. This color box shows a variation of Raw Sienna from the Italian Ferrario 1919 color list.

Burnt sienna contains a large proportion of anhydrous iron oxide.It is made by heating raw sienna, which dehydrates the iron oxide, changing itpartially to haematite, giving it rich reddish-brown colour. The pigment is also known as red earth, red ochre, and terra rossa. On the Colour Index International, the pigment is known as PR-102. This version is from the Italian Ferrario 1919 colour list. The first recorded use of burnt sienna as a colour name in English was in 1853. This variation of burnt sienna is from the Maerz and Paul "A Dictionary of Color" from 1930. It is considerably lighter than most other versions of burnt sienna. It was a mix of burnt orange and raw sienna.