What are the colors in photography?

Hue is the appellation of various colors and the primary feature of colors. Even the same color can be divided into images of several colors, such as pink, red and vermilion in red, and seven colors of red, orange, yellow, green, indigo and purple in Huangpu, forming about 180 colors that can be distinguished by human eyes, and the hue of each color is different.

The saturation and brightness of color are also called the purity of color. Saturation is determined by the proportion of achromatic components in color. When a color is mixed with white, the brightness will decrease and increase. When a color is mixed with black, its brightness will decrease and its concentration will darken. When the saturation is zero, the color will turn gray.

In achromatic color, white has the highest prestige, black has the lowest density, and there is an excessive gray series in the middle. Among the colors, the highest density color is yellow, and the lowest density color is purple. The density of each color is different.

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