What is the difference between RGB and CMYK?
Time:2024-07-23
Views:185
RGB
RGB is red (Red), green (Green), blue (Blue) three colors of light through the prism refraction is not broken down, and is known as the three primary colors of light, is a computer screen, television, smart phones, etc. on the display color. The value range of the three colors of light is 0~255, 255 different color values superimposed and mixed to get a variety of different colors, so using the RGB color mode, up to 256x256x256 = 16777216 different color values, that is, we often say 16 million colors.
CMYK
CMYK mode (Cyan=cyan, Magenta=magenta, Yellow=yellow, Black=black) is the color mode often used in printing magazines, photographs, product packaging, clothing, etc., the use of color pigments of the principle of mixing the three primary colors, together with a total of four colors of black ink for full-color printing, which are semi-transparent inks that can be mixed together to produce a range of colors. The value of these inks ranges from 1 to 100, when CMYK are 0 for white, are 100 when the formation of black, due to the transparency of the ink, the complete combination of C + M + Y is not dark enough, the fourth color using black ink to K as a representative. In printing, CMYK is also known as the “four-color process”.
Difference
RGB is an optical color system, a luminous color pattern, computer screens, LED screens usually use the RGB color standard, so we can see the content on the screen in the dark environment. However, this optical color system cannot be applied to printing and printing. For printing, the CMYK mode is usually used, which is a color mode that relies on reflections, and requires a light source to shine on the print and then reflect back to the human eye before people can see what‘s on the print. Therefore, we usually cannot read the contents of books and newspapers in a dark, no light source environment.
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