The characteristic purplish-red colour of the flowers or leaves of these plants.
A red to purple azo dye used as a biological stain, and in some countries in cosmetics and as a food colouring.
Any of various herbs of the genus Amaranthus.
The seed of these plants, used as a cereal.
A bright orange-red colour.
A vivid red synthetic pigment made of mercury sulfide, cinnabar.
A type of red dye worn in the parting of the hair by married Hindu women.
The red skin of the lips or its border with the skin of the face.
To color or paint vermilion.
Having a brilliant red colour.
Having the color of the vermilion dye.