Blue pigments

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Blue is a color produced by light having a spectrum dominated by energy with a wavelength of about 450-490 nm. It is considered a primary color in both the RGB additive as well as in the traditional RYB color wheel. An average blue color is represented by the following color coordinates:

- Hex triplet:  # 0000FF
- RGB: (0, 0, 225); CMYK (0, 0, 0, 100) 
- HSV: (240°, 100%, 100%)

Examples of inorganic blue pigments:

- oxide ( cobalt blue, smalt, cerulean)

- carbonate (azurite, verditer)

- silicate (ultramarine, lazurite, Egyptian blue)

- other (Prussian blue, manganese blue)

Examples of organic blue pigments:

- plant (indigo, woad)

- synthetic (phthalocyanine, aniline blue)

Synonyms and Related Terms

Blau (Deut.); azul (Esp.); pigments bleus (Fr.); pigmenti blu (It.); caeruleus (Lat.); blauw (Ned.); blå (Dan., Sven.); pigmentos azuis (Port.)


Characteristics of Common Blue Pigments

Sources Checked for Data in Record

  • Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall, Pigment Compendium, Elsevier Butterworth-Heinemann, Oxford, 2004
  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)

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