Indigo red

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a dyestuff, isomeric with indigo blue, obtained from crude indigo as a dark brown amorphous powder.

See also: Indigo

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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The Indigo red snowflake yoke jumper is PS37.50 at M&S.
"One such development, initially intended for the industrial coatings market but also having utility for screen inks and other opaque ink systems, is our new thiazine indigo red pigment, Novoperm Till Red 4g 70 VP2543.