1. Cool colors give people a cool feeling. Generally, cyan, green, cyan and purple are the main colors. Warm colors give people a warm feeling, usually yellow, orange, red, orange and other colors. Some colors give people a refreshing feeling, so they will be called cool tones. Red gives people a warm feeling, so colors like this are called warm tones.
2. Red, orange and yellow are warm colors, symbolizing the sun and flame.
3. Green, blue and black are cool colors, symbolizing forest, ocean and blue sky.
4. Gray, purple, white-medium color.
5. The higher the brightness of cool color? The higher the temperature, the higher the brightness of warm colors? The lower the temperature.