1. Warm colors. That is, the collocation of red, orange, yellow and ochre. The use of this hue can make the home page present a warm, warm and enthusiastic atmosphere.

2. cool tones. That is, the collocation of cyan, green and purple. The use of this color tone can make the home page present a quiet, cool and elegant atmosphere.

3. Contrast tone. That is, the colors with completely opposite colors are matched in the same space. For example: red and green, yellow and purple, orange and blue, etc. This kind of color collocation can produce a strong visual effect and give people a bright, bright and festive feeling. Of course, if the contrast tone is not used well, it will be counterproductive and produce tacky and dazzling adverse effects. It is necessary to grasp the important principle of "major harmony and small contrast", that is, the overall tone should be unified and harmonious, and some local areas can have some small strong contrast.