Prussian blue

noun

a moderate to deep greenish blue.
one of the iron blues, a dark-blue, crystalline, water-insoluble pigment, Fe 4 [Fe(CN) 6 ] 3 , produced by reacting ferrocyanic acid or a ferrocyanide with a ferric compound: used in painting, fabric printing, and laundry bluing.

Prussian blue

any of a number of blue pigments containing ferrocyanide or ferricyanide complexes
1. the blue or deep greenish-blue colour of this pigment
2. ( as adjective )
  a Prussian-blue carpet

1715–25; translation of French bleu de Prusse, so called because it was discovered and first reported in Berlin, capital of Prussia

There are different kinds, but I prefer the Prussian Blue above all.

For a connected view of the various compounds of cyanogen employed in the arts, see Prussian Blue.

Blacks are either common ivory or Frankfort black; and grays are formed by mixtures of prussian blue and Spanish white.

Mr. Savage recommends a little Indian red to be ground in with the indigo and prussian blue, to give a rich tone to the black ink.

The precipitate from the peroxide salts of iron is a very intense prussian blue, called on the continent, Paris blue.

April 17, 2024axolotl

[ak-suh-lot-l ]

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