1. Black, white, gold, silver, and gray are colorless systems that can match all colors.

2. When matching with white, you should carefully observe which hue the white is leaning toward. If it is blue, it should be considered light blue, and yellow is light yellow...

3. Yes Colors with poor brightness are easier to blend. Generally, contrasting colors with poor brightness and purity above level 3 can be blended (there are eleven levels from black to white), so the brightness of color matching is the most important. 4. Adding the same black or white to colors of different hues will make them easier to blend. 5. Harmonious contrasting colors are the easiest to achieve good results. 6. Contrasting colors can be used alone, while similar colors should be matched.

7. There should be a main color, either warm or cool. Don’t treat each color equally, which makes it easier to create a sense of beauty.

8. Warm colors blend with black, and cool colors blend with white.

9. You can also blend by selecting 3-4 groups of colors at equal intervals on the color wheel.

10. When matching colors, the area of ??bright and bright colors should be smaller. 11. Two colors that are originally disharmonious will become harmonious when paired with black or white. 12. When combining with gray, the brightness difference should not be too big.

13. Orderly colors are more harmoniously arranged together. 14. In the Munsell color solid, its vertical, horizontal, oblique and even spiral arrangements are orderly.

15. When a variety of colors are matched together, a certain factor (hue, brightness, purity) must dominate.

16. When matching clothing, it should be in harmony with the color of your skin. You should carefully identify the hue of your skin. Don’t say it is flesh color, but find the hue, which is the red, orange, yellow, green, and cyan on the color wheel. Any color among , blue, and purple is possible, and the color of the warm color system is possible. Men are more yellowish, women are more reddish, and those with white skin are also more reddish. But most people are in the orange-vermilion range, that is, light vermilion with a little gray - light orange with a little gray. This slight color difference is not too important for matching contrasting colors, so no one will look too ugly if you wear a darker, cooler tone, but it is too important for blending similar colors. Only when the hue of your skin is in the color circle Only colors with a difference of 25 degrees to 43 degrees can be harmonized (discussed in the theory of color harmony).

A light vermilion with a little bit of gray looks good with purple-red; a light orange with a little bit of gray and purple doesn’t look good.