Red is positive and optimistic, and the mood fluctuates greatly; Sincere and proactive, joking regardless of occasion; Good at expressing and neglecting to fulfill promises; It's contagious. This mountain looks higher than that one.

For example, the walls of many palaces and temples in ancient China are red, and officials, bureaucrats and costumes are mostly red, that is, "doors" and "Zhu Yi"; In the traditional culture of China, the color of fire in the five elements is red, and gossip also symbolizes red.

Because red is easy to attract people's attention, many warning signs are represented by red words or images. For example, in traffic lights, red means stop; Red is also considered as a symbol of bloodshed, danger and terror.

Extended data:

Since ancient times, in festivals and weddings, red has been used to show the elegance of festive events from decorations, costumes and accessories, not only to express congratulations on festivals, but also to exude inner joy from red celebrations.

Red is considered to stimulate the secretion of male hormones, so people wearing red clothes can get better results in sports competitions; In China, red traditionally means happiness. For example, red is used to decorate weddings and Spring Festival.

Red represents the color of love; Red is a common color at Christmas; North American stock market, red indicates that the stock price has fallen; In the East Asian market, red indicates that the stock price has risen.

References:

Baidu Encyclopedia-Red