What do the five colors of red, yellow, blue, green and purple stand for?

Red is a warm, impulsive and powerful color that can accelerate muscle function and blood circulation. Because red is easy to attract attention, it is also widely used by various media. In addition to good visual effects, it is also used to convey the corporate image and spirit of vitality, enthusiasm, warmth and progress. In addition, red is often used as the color of warning, danger, prohibition, fire prevention and other signs. When people see red signs in some occasions or articles, they often can understand the meaning of warning danger without reading the content carefully. Big red is generally used for striking, such as a red flag and a little red between evergreen trees; Light red is generally gentle, such as the layout of new houses and children's clothes. Crimson can generally be used as a foil, which has a deep and warm feeling. Red and light yellow match best, big red excludes green, orange and blue (especially dark blue), and neutral matches cream yellow and gray. Yellow is brilliant, with the brilliance of the sun, symbolizing the light of wisdom that illuminates the darkness. Yellow has golden light, symbolizing wealth and power, and is the color of pride. Among industrial colors, yellow is often used to warn of danger or remind attention, such as yellow lights on traffic signs, large machinery for engineering, raincoats and rain boots for students, etc. Yellow can achieve infinite expansion of power against the background of black and purple, and light pink can conquer the proud yellow prince like a girl. Yellow and green collocation, full of vigor and vitality; Yellow and blue match, it looks beautiful and fresh; Pale yellow and dark yellow are the most elegant combinations. Pale yellow can match almost all colors, but if you want to stand out, you can't put it on other light colors, especially white, because it will make you see nothing. Dark yellow can't be matched with deep red and deep purple, and it's not suitable for matching with black, because it will make people feel obscure and dustbin. In commercial design, the image of freshness, ideal, hope and growth conveyed by green meets the demands of service industry and medical care industry. In order to avoid eye fatigue when working in factories, many working machines also use green, and in general medical institutions, green is often used in space color planning, that is, marking medical supplies. Bright green is a very beautiful and elegant color. It is full of vitality and symbolizes life. Green is generous and can accommodate almost all colors. Green has a wide range of uses. Whether in childhood, youth, middle age or old age, the use of green will never lose its liveliness and generosity. Green is indispensable in all kinds of paintings and decorations, and can also be used as a leisure color. Green is yellow-green, simple and young; Green permeates blue into blue-green, handsome and open-minded. Gray-green is still a quiet and peaceful color, just like a forest in the twilight or a field in the morning fog. Dark green and light green have a harmonious and peaceful feeling together; Green and white collocation, looks very young; Light green with black, beautiful and generous. The combination of green and light red symbolizes the arrival of spring. However, dark green is generally not matched with deep red and purplish red, which will have a messy and unclean feeling. Blue is a broad color, and the vast scenery of the sky and the sea is blue. Blue is the symbol of eternity and the coldest color. Pure blue shows a kind of beauty, gentleness, reason, peace and cleanliness. Blue has a rational and accurate image because of its calm characteristics. In commercial design, most commodities or corporate images that emphasize technology and efficiency choose blue as the standard color and corporate color, such as computers, cars, photocopiers and photographic equipment. In addition, blue also represents melancholy, which is influenced by western culture. This image is also used in literary works or commercial designs with emotional appeals. Blue has a wide range of uses. Blue can calm the mood. Sky blue can be used as decoration for hospitals and sanitary facilities, and also as clothing and curtains in summer. Generally speaking, painting and various ornaments are also inseparable from blue. Different combinations of blue and white are bright, refreshing and clean; Blue and yellow collocation, big contrast, big brightness; Large pieces of blue generally do not match green, but can only penetrate into blue-green, lake blue or cyan, which is also an intoxicating color; The combination of light green and black is solemn, mature and educated. Deep blue can't be matched with crimson, purplish red, dark brown and black, because it has neither contrast nor lightness, only a feeling of being stolen. Because of its strong feminine characteristics, the use of purple in commercial design is also restricted. In addition to the product or corporate image related to women, other designs are not often used as the main color. Purple is the shortest visible light wave. Purple is an imperceptible color. It is beautiful and mysterious, giving a deep impression. It is both threatening and inspiring. Purple is a color that symbolizes piety. When light and understanding illuminate the pious color of ignorance, the beautiful and lovely aura will make people ecstatic! Using purple to express loneliness and dedication, and using purple to express sacred love and spiritual realm, this is the performance value brought by purple. Purple is in an uncertain state between cold and warm, and its low lightness constitutes the psychological negative feeling of this color. Unlike yellow, purple can't hold many colors, but it can hold many faded layers. A dark and pure purple will become a very beautiful and soft color as long as a small amount of white is added. With the continuous addition of white, there are many layers of lavender, and each layer of lavender is so soft and moving.