What is the difference between Umber and Sienna?

The difference between umber and sienna

is that “umber” is a brown clay, somewhat darker than ochre, which contains iron and manganese oxides and “sienna” is a form of clay containing iron and manganese.

umber

sienna

Noun

  • A brown clay, somewhat darker than ochre, which contains iron and manganese oxides.
  • Alternative form of umbrere
  • A grayling.
  • A dusky brown African wading bird (Scopus umbretta) allied to the storks and herons.

Exemple

  • umber colour:

Adjective

  • Of a reddish brown colour, like that of the pigment.

Exemple

  • Their harps are of the umber shade / That hides the blush of waking day.

Verb

  • (transitive) To give a reddish-brown colour to.

Exemple

  • Armies o’er armies heap’d, the locusts came,Like clouds in autumn umbering all the sky […]

Noun

  • (countable) A form of clay containing iron and manganese.
  • (countable and uncountable) A pigment with a reddish-brown colour.
  • (countable and uncountable) A light reddish-brown colour.

Synonyms

  • (clay): raw sienna

Examples

  • sienna colour:

Adjective

  • having a reddish-brown colour.