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Color Gamut Value Of A Display

Color Gamut Value Of A Display

Dec 06, 2017

Gamut, also known as color space, is a way to encode a color. It also refers to the sum of colors produced by a technology system, which represents the specific situation of a color image that can express colors. At present, the common color gamut types of displays are: NTSC, sRGB, Adobe RGB and so on, and these three color gamut types can be converted to each other.


SRGB

RGB is the most commonly used color language protocol at present. It is a universal language for all kinds of computer peripherals, such as display, print and scan, developed by Microsoft, and applied software for color. SRGB represents three basic pigments of standard (s) red (R), green (G) and blue (B). When the sRGB color gamut value is 100%, it shows that the display can display all sRGB colors, 96% to 98% is a common level, that is, the middle level, the smaller the sRGB value, the worse the display ability.

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Adobe RGB

Adobe RGB is a professional color gamut standard developed with photographic technology. It has wider color space than sRGB. It contains CMYK color gamut that sRGB does not have, and has rich levels. For professional users in printing, photography, design and other fields, we need to make fine color adjustment to the images, so it is more appropriate to choose the Adobe RGB gamut display.

NTSC

NTSC color is a color space standard of National Television Standards Committee, it is more widely than sRGB color space, the conversion formula between them as the "100% sRGB=72% NTSC", this does not mean that 100% sRGB and 72% NTSC color space to completely overlap, they are just the same area. NTSC is mainly used in the wide color domain TV standard, and some very professional wide color domain displays also use it as a color gamut standard.

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In a word, the so-called wide color gamut refers to all other gamut of more than 72% NTSC gamut. For users with photography and other professional needs, we need to pay attention to the color gamut standard of Adobe RGB; NTSC and Adobe RGB are relatively close, and the difference between them is relatively small. The color of the actual display is closer to the real scene, and there will be no over saturation problem.