Questions tagged “rgb”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

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257

Why do displays use RGB subpixels instead of a pixel that can emit any wavelength?

human-visioncolordisplay-technologycolor-gamutrgb

Photography Stack Exchange contributor

2y ago

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226

Can a camera sensor ever record a pure RGB value like 0,255,0?

camera-sensorsimage-processingbayer-filtercolorrgb

Photography Stack Exchange contributor

4y ago

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326

Why do printers use CMYK instead of RGB on white paper?

theoryprintingcolor-managementcmykrgb

Photography Stack Exchange contributor

4y ago

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227

Can changing RGB primaries extend a display’s gamut toward violet?

color-spacecolor-sciencedisplay-technologycolor-gamutrgb

Photography Stack Exchange contributor

6y ago

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332

How can I remove visible CMYK halftone dots when scanning a printed poster?

scanningpost-processingdescreeningcmykrgb

Photography Stack Exchange contributor

6y ago

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231

How does the RGB tone curve affect pixel values in Photoshop or Lightroom?

photoshoptone-curvelightroomcolor-editingrgb

Photography Stack Exchange contributor

6y ago

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274

Why can cyan look brighter than red on an RGB monitor?

hsldisplaycolorluminancergb

user91535

6y ago

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323

Why does Photoshop’s RGB picker still use 0–255 in a 16-bit image?

photoshop16-biteditingcolorrgb

Photography Stack Exchange contributor

6y ago

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213

Why are the color channel names ordered as RGB and CMYK?

color-theoryprintingcmykcolor-spacesrgb

Photography Stack Exchange contributor

7y ago

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162

Can you adjust saturation with Curves in Photoshop while staying in RGB mode?

photoshopsaturationlab-colorcurvesrgb

Photography Stack Exchange contributor

8y ago

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469

Why are red, green, and blue used as the primary colors of light?

lightingcolor-theoryhuman-visioncolorrgb

Photography Stack Exchange contributor

8y ago

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218

Will my RGB photos look worse when a book printer converts them to CMYK?

photo-booksprintingcolor-managementcmykrgb

Photography Stack Exchange contributor

9y ago

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775

What’s the difference between 8-bit RGB and 16-bit RGB, and when should you use each?

photoshopbit-depthimage-editingrawrgb

Photography Stack Exchange contributor

9y ago

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193

Why are digital images represented in RGB instead of wavelength values?

human-visioncamera-sensorsdigital-imagingcolorrgb

user63664

9y ago

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174

How is a camera using three broad spectral bands different from a standard RGB camera?

aerial-photographycamera-sensorsmultispectralforest-surveyingrgb

Photography Stack Exchange contributor

9y ago

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209

Can an ideal RGB camera sensor capture every color humans can see?

human-visionsensorcolor-sciencecolorrgb

Photography Stack Exchange contributor

9y ago

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131

How can I convert Humanae Pantone skin-tone references to RGB values?

post-processingcolor-managementpantonergb

Photography Stack Exchange contributor

9y ago

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457

What does "channel" mean in digital photography?

image-editingdigital-imagingcolorrgb

Photography Stack Exchange contributor

10y ago

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625

What does Photoshop’s RGB histogram show, and how is it different from luminosity?

photoshopluminositycolor-managementhistogramrgb

Photography Stack Exchange contributor

10y ago

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279

How can I derive cyan, magenta, and yellow chromaticity coordinates from known RGB primaries on a CIE xy diagram?

display-calibrationchromaticitycolor-managementrgbcie-xy

Photography Stack Exchange contributor

10y ago

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