: being or using a video signal in which each component of the signal (such as chrominance and luminance) is carried over a separate wire
an RGB computer monitor

Note: Video and television displays commonly use the RGB color model of combined red, green, and blue light to produce their images. This system is so common that the name for the color model has been adopted to refer to the video signal carrying this information.

RGB

2 of 2

noun

: the color model of three-color video displays using red, green, and blue light compare cmyk

Examples of RGB in a Sentence

Recent Examples on the Web
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Noun
For style, the PrismSync RGB lighting offers millions of color options that react to your games and sync with other devices, giving your setup an extra layer of personality. PC Magazine, 9 Sep. 2025 This has enabled the entire surface of the case to show off the keyboard’s RGB lighting to much better effect. Mark Sparrow, Forbes.com, 7 Sep. 2025 The model simultaneously generates RGB video and depth information to enable direct 3D reconstruction without the need for traditional modeling techniques. ArsTechnica, 3 Sep. 2025 Our favorite is the Corsair K70 RGB PRO Wired Mechanical Gaming Keyboard, which has excellent responsiveness in the keys, all in a sturdy design. Bestreviews, Mercury News, 13 Aug. 2025 The kegs and containers were labeled with the product name and the manufacturing date, and sold to consumers in RGB Soda's own stores in Washington state. Jasmine Laws, MSNBC Newsweek, 19 June 2025 As of today, Sony has officially put its hat in the RGB TV ring. Ryan Waniata, WIRED, 13 Mar. 2025 The ThinkCentre's display isn't the brightest but matches the IdeaCentre in color coverage, with respectable results for Adobe RGB and DCI-P3 despite not being designed for creative-focused tasks. PCMAG, 4 Mar. 2025 The gimbal also features a CCT & RGB fill light, which can be used to enhance the lighting conditions in various shooting scenarios. New Atlas, 28 Jan. 2025

Word History

Etymology

Adjective

red-green-blue (colors used in television transmission)

First Known Use

Adjective

1979, in the meaning defined above

Noun

1985, in the meaning defined above

Time Traveler
The first known use of RGB was in 1979

Browse Nearby Words

Cite this Entry

“RGB.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/RGB. Accessed 12 Sep. 2025.

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