The color of the dye made from the roots of purple grass is called purple.

A huge amount of purple root and process are required to dye it a beautiful purple color, and it has been considered a noble color.

In the Heian period, dark purple was prohibited, and there is a history that commoners could only use light purple.

The English word for purple is generally purple, but violet is sometimes used.

Purple is a reddish purple taken from the secretion of snails, and violet is a bluish purple like a violet flower.

Purple has also been treated as a noble color because it can only be taken in small quantities from a single snail.