Do the Chinese have a historical tradition of wearing blue?

Chinese blue complex Chinese people have a blue complex, whether in the years when the color of clothing was strictly regulated, or in the era of freedom to wear any color, blue is deserved to become the main character of the dress color. This concept of blue has been y rooted in the hearts of Chinese people for a long time. From the psychology of color, blue and Chinese yellow skin tone with harmony, can produce a soft contrast effect, which is probably one of the reasons for the Chinese blue complex. This is probably one of the reasons why the Chinese have a blue complex. Gouzi - Counseling Learning: " Qing, taken from the blue, and blue in blue." "Green is the color indigo, and blue refers to bluegrass. Bluegrass is a collective name for several species of plants that can be used to make indigo dyes, and there is more than one species, as mentioned by Li Shizhen in his Compendium of Materia Medica, including polygonum, woad, marjoram, wu-lan, and mu-lan. Bluegrass is one of the earliest commonly used plant dyes in China. In ancient times, people planted bluegrass in large quantities to make indigo dye, which was fermented and then used to dye textiles. It is recorded in Rugao County Records, which was written during the Jiajing period of the Ming Dynasty, that: "Blue, indigo profit is the most pervasive", which means that making indigo with bluegrass can be the most profitable. Because of this, bluegrass was widely planted in the folklore. The leaves and roots of bluegrass can be used as medicine, and its root is the widely used traditional Chinese medicine, Panlangen. Qing Zhang Bingcheng, "Materia Medica", said: "Bluegrass root is indigo root, its function and flavor is the same as indigo leaf, can be human liver and stomach blood, but clearing away heat, detoxification, epidemic prevention, insecticide, only four." With bluegrass dyed fabrics can be made of clothing, can be done quilt surface, in the process of this fabric and skin contact, its pharmaceutical ingredients are also playing a "refreshing the epidemic" "kill insects" role. When this deep and simple blue color appeared in the newlywed couple's quilt top, it is more people gave the meaning of good luck and drive away evil spirits. In the south of the Yangtze River, there is a custom that when a daughter gets married, the mother's family must have an indigo-dyed quilt to show their blessing, which is usually an indigo-dyed quilt with the color "Hundred Sons", or a blue printed cloth with the patterns of dragon and phoenix, or phoenix wearing peonies. Interestingly, blue quilts used for dowry were often used directly after printing and dyeing without rinsing, so that after the wedding night, newlyweds would be covered in blue, which was also a symbol of good luck and celebration. In ancient China, the five colors of green, red, white, black, and yellow were regarded as positive colors, which were opposite to the five elements. Green (blue) is the main wood, symbolizing the growth of all things in spring, and is the color of life. The sun comes out of the east, and "the east is called green" (Zhou Li - Winter Officials' Examination of Works). Er Ya: "Spring is the green sun, which means that everything is born." The word "youth" is also derived from this. Blue color represents vitality. Blue is also the same color with the deep and boundless sky and ocean, representing the quiet and modesty of not openly exposed, is a color full of inner strength, which is inherited by the Chinese people for thousands of years of noble conduct is also coincidental.