Chinese traditional color blue series

Quick answer：

The Chinese traditional color blue series refers to a range of colors that have been historically significant in Chinese culture. These colors are often derived from natural sources, such as indigo, and are imbued with symbolic meanings. The series includes various shades of blue, each with its own unique cultural significance. For instance, 'tian blue' (tiān lǜ) represents the sky and is associated with serenity and infinity, while 'sapphire blue' (bǎo lǜ) is associated with wisdom and tranquility. These colors are frequently used in traditional Chinese art, clothing, and architecture.