A color between yellow and green, with a wavelength of about 570 nm. It is a combination of the usual starting color of warm colors, namely yellow with the highest brightness, and the starting colors of cool colors and green colors, which has the warmth of yellow and the freshness of green.

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

Green also means pollution-free and healthy, such as green vegetables, which are common environmental protection colors.

Psychological research

A study conducted by the University of Essex in England shows that green is a very special color. Neither hot nor cold, it belongs to the middle color. Represents freshness and hope. In a place with four distinct seasons, it represents a sense of security, calmness and comfort, such as seeing trees, green leaves and natural colors in spring. Exercise in a green environment can improve mood, vitality and pleasure. In other words, outdoor exercise is good for both body and mind.

Color psychologists have long pointed out that people will feel calm in high-frequency colors (such as green, blue and purple), but they are more likely to get excited and excited in low-frequency colors (such as red, orange and yellow). This phenomenon may have appeared in the process of human evolution. Because for primitive humans, a green environment means enough food and water, and the positive feeling of green is integrated into the brain during evolution.