What is the color value of blue in PS?

What is the color value of blue in PS?

The RGB values ​​of blue in PS are: R:0, G:0, B:255. R stands for red, G stands for green, and B stands for blue.

Each color of the three color channels of red, green, and blue is divided into 256 levels of brightness. At 0, the "light" is the weakest - it is turned off, and at 255, the "light" is the brightest. When the grayscale values ​​of the three colors are the same, gray tones with different grayscale values ​​are produced. That is, when the grayscales of the three colors are all 0, it is the darkest black tone; when the grayscales of the three colors are all 255, it is the brightest white tone. .

RGB color mode is a color standard in the industry. It is obtained by changing the three color channels of red (R), green (G), and blue (B) and the superposition of them. Of all kinds of colors, RGB represents the colors of the three channels of red, green, and blue. This standard includes almost all colors that human vision can perceive, and is one of the most widely used color systems currently.

Extended information:

Although the wavelength of visible light has a certain range, we do not need to treat every wavelength of color when processing colors. Represented individually. Because all colors in nature can be obtained by combining different intensities of the three color wavelengths of red, green, and blue (RGB), this is what people often call the three primary color principle. Therefore, these three kinds of light are often called the three primary colors or the three primary colors.

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