What kind of purple is imperial purple?

This situation is bright, rich, pure and uniform purple.

The bright, rich, pure and uniform purple is called imperial purple because it is divided into five categories according to the different color saturation in the industry. Among them, imperial purple corresponds to the concept of "imperial purple" and is the most valuable purple among purple jadeites.

Imperial purple is called the best in purple. Its color is bright, rich, pure and uniform, giving people a noble, mysterious and profound feeling.