Many garden varieties, like A. 'Atropurpurea', are full of purple pigment.

Early China seems not to have used a natural purple pigment and was the first to develop a synthetic one.

From head to tail, he's royal purple pigment, and there, voilà!

Porphura actually means "purple pigment", which is in suggestion to the color that the body fluid changes to when a person has Gunther's disease.

Hematite is a reddish iron oxide which, when ground coarsely, makes a purple pigment.

In the 1950s, a new family of purple and violet synthetic organic pigments called quinacridone came onto the market.

As a tertiary color, slate (sometimes called olive) is an equal mix of purple and green pigments.

Less frequent allergic reactions to black, purple, and green pigments have also been noted.

He stated that the purple pigment in dog-whelk shells was the same one as is found in mussels.

These spines are reddish-brown and are tipped with purple or pink pigment.