Dictionary
Words, grammatical forms and meanings linked to the ontology.
Eschel blue en · NOUN
Meanings
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(no-plural) A specific shade of blue, a trademarked color name.
Independently of the ordinary smalt, there is another darker blue, with a very fine grain, and which is generally called Eschel blue or Laundry blue.
1874, Jean René Denis Riffault des Hêtres, Armand Denis Vergnaud, G. Alvar Toussaint, A Practical Treatise on the Manufacture of Colors for Painting, Comprising the Origin, Definition, and Classification of Colors; the Treatment of the Raw Materials Etc, page 352: