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This article mainly introduces the color model used by computer monitors, which is introduced in the article in great detail, with certain reference value, interested friends must read it!

The color model used by computer monitors is the RGB model. RGB model is also called additive color mixing model, which uses the brightness of the three primary colors of red, green and blue to quantitatively express colors, and realizes color mixing by superimposing RGB colors on each other, so it is suitable for display of light emitters such as displays.

Operating environment: Windows 7, Dell G3 PC.

RGB is a commonly used way of expressing color information, which uses the brightness of red, green and blue primary colors to quantitatively express color. This model is also called additive color mixing model, and is a method of achieving color mixing by superimposing RGB colors on each other, so it is suitable for display of light emitters such as displays. The law of color mixing is: when the same amount of red, green and blue primary color light is mixed.

RGB can be seen as a unit cube in a three-dimensional Cartesian color system. Any color in RGB color space can be represented by a point in three-dimensional space. In RGB color space, when the luminance value of any primary color is zero, that is, at the origin, it is displayed as black. When all three primary colors reach their highest brightness, they appear white. On the diagonal line connecting black and white, gray is a mixture of three primary colors of equal brightness. This line is called gray line.

If two of the three primary colors of light (note, not pigments) are mixed in equal proportions, then the result is yellow, cyan, and violet.

Red + Green = Yellow

Red + Blue = Purple (Bright Purple)

Green + Blue = Green

Red + Green + Blue = White

All three primary colors = black

This is color mixing, called additive color mixing method.

The color mixing law of additive method can be represented by graph.

Its color equation describes:

F(object color)=R (percent red)+G (percent green)+B (percent blue)

If these three pigments are mixed, then, in general, red + green = dark grayish red; red + blue = purple; green + blue = cyan.

This is color mixing, called subtractive color mixing.

Remember, color mixing and pigment mixing are different properties.

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