What's the color of the flowers, red, willow and green?

Flowers, red, willow and green represent spring and should be green.

Green is a common color in nature, and it is the middle and high frequency part of the visible part of electromagnetic waves, with a frequency of 520~6 10THz (corresponding to the wavelength of 577~492nm in the air). It is between yellow and green in spectrum, similar to the color of green leaves and grass in spring.

Green represents freshness, hope, safety, calmness, comfort, life, peace, tranquility, nature, environmental protection, growth, vitality, youth and relaxation.

spring

Spring, the first of the four seasons, refers to the period from beginning of spring to long summer, including solar terms such as beginning of spring, rain, fright, vernal equinox, Qingming and Grain Rain. Spring represents warmth and growth. In spring, the qi of yin and yang begins to change, and everything germinates with the rise of yang.

As far as solar terms are concerned, spring in China begins in the beginning of spring (February 2-5) and ends in the long summer (May 5-7). In Europe and America, spring begins at the vernal equinox in China and ends at the summer solstice. In Ireland, February to April is designated as spring.