A shade of green similar to emerald green, but with a tinge of yellow generally comparable to yellow green or chartreuse.

Also a double salt of copper arsenate and copper acetate; chemically it is a copper acetoarsenite:

C4H6As6Cu4O16

This extremely poisonous, bright green powder was formerly used as a pigment and a wood preservative, and is still sometimes used as an insecticide and fungicide. Paris Green also goes by the remarkably less agreeable name of Schweinfurt Green.

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