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Questions tagged [color-spaces]

A colour space is a specific organization of colours. In combination with physical device profiling, it allows for reproducible representations of colour, in both analogue and digital representations. The colour spaces most commonly encountered in photography are Adobe RGB and sRGB.

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Analogue pixels instead of rgb pixels

My understanding of digital displays is that they create colored images through pixels which can display red, green, or blue at each site, and use additive color theory to combine those colors to ...
Eoin's user avatar
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2 votes
1 answer
407 views

When shooting raw stills, does the tone mode setting matter?

I'm going through some of the settings on a Nikon Z8, and one of the options when shooting raw is to switch the tone mode from SDR to HLG. In principle, I understand what these two modes do: HLG ...
Jules's user avatar
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2 answers
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Why do my photos look less punchy in Laptop than camera when both are set to sRGB color space? Why is there a change in photos at all?

I use canon m50 set to RAW to click pictures, they look good on the LCD of the camera but when imported to laptop (Predator Helios 300), it looks bland and less punchy. Even though the reality was ...
Mohd. Farhan Hassan's user avatar
0 votes
1 answer
80 views

How to calibrate my monitors and colorspaces to to best create a workflow or editing raw photos for uploading and viewing on the web

Question 1: I have bought 2 monitors-4K ADOBE RGB and 4K SRGB. What/how should I set up the monitors' calibrations and color spaces to best edit my raw photos for exporting to the web? Question 2: I ...
Johanna's user avatar
1 vote
1 answer
117 views

Why are these color look up tables (Hald CLUT) 1600 x 1600 pixels instead of 4096 x 4096 pixels?

I imagine that exhaustive color look up tables need to be 256 x 256 x 256 = 4096 x 4096 pixels. Is that correct? If so, how are these color look up tables (Hald CLUT) only 1600 x 1600 pixels?
Ritesh Singh's user avatar
1 vote
3 answers
128 views

How to separate the RGB colour space to only N colours?

In a JPEG image, we may have thousands of distinct RGB values. What is the process called of translating these numerous RGB values to just N distinct colour names/values? (I'd like to know the name ...
boardrider's user avatar
0 votes
0 answers
114 views

Would spectral responses of camera pixels be more "raw", more compact and superior to ICC/DCP camera color profiles? If not, why not?

Background: I'm trying to understand the function of camera color profiles (for raw output) in terms of the hardware. I have found lots of web sites that explain the function of camera profiles from a ...
Sami Liedes's user avatar
17 votes
6 answers
7k views

Why is CMYK more efficient/beneficial than RGB for performing printing operation on white paper?

We know that CMYK is subtractive color model and RGB is additive color model.If we make 3D( R: x-axis, G: y-axis, B: z-axis) cube for RGB it starts with darkness (black) and we gradually add light; an ...
S. M.'s user avatar
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3 votes
1 answer
619 views

Confused with my monitor Picture Modes

I've recently bought my first "Designer Monitor", Benq PD2500Q (yeah I know it's probably still shit for professionals, but for me it's the first 'better' monitor). I'm very impressed by it ...
DominikK's user avatar
1 vote
3 answers
89 views

Image Color Scheme getting faded when opening with MSPaint

I have the following image (have put a screen-grab of the image as its size is more than 2 MB - the original can be downloaded from https://drive.google.com/file/d/1rC2QQBzMhZ8AG5Lp5PyrpkOxwlyP9QaE/...
techno's user avatar
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6 votes
4 answers
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Export photos from Lightroom to leverage HDR display on modern iPhones

If I take a photo with my iPhone 13 Pro Max camera and view it on the phone screen, bright lights and colors appear very strong and vivid like an HDR movie on an HDR TV. This is controlled by a ...
Maciej Swic's user avatar
2 votes
1 answer
201 views

Colour shift in photographs between applications? (profile included)

I have Asus ProArt PA329 monitor. I made a full system reinstallation a few months ago, had not really worked photos for a while due to lockdown and other things etc. More recently, I re-installed the ...
TTT's user avatar
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3 votes
2 answers
1k views

sRGB picture shows very differently on photo editor vs. web (driving me crazy!)

The photo looks nice Affinity Photo, GIMP and Photoshop in my MacBook. I preview the photo also with Mac Preview, and it shows exactly the same. But when seeing the picture in the browser, it shows ...
BeMyGuestPlease's user avatar
9 votes
2 answers
623 views

Why color-wheel websites (Adobe...) claim these colors are complementary

I just learn about the different color harmony styles models, and I was playing with Adobe color wheel website using the complementary style, but I'm realizing that the proposed colors are not really ...
tobiasBora's user avatar
4 votes
3 answers
2k views

Where can I see ProPhoto RGB photos

Where can I see ProPhoto RGB photos? Do I need a special monitor? Can I print it? If I print it how would it look (will it look like in the special monitor)?
manarinian's user avatar
2 votes
1 answer
292 views

Do Google Photos maintain any other color spaces except sRGB

Do Google Photos maintain any other color spaces except sRGB? Does it convert photos to sRGB automatically and save them like that?
manarinian's user avatar
1 vote
2 answers
2k views

sRGB mode a necessary for monitors?

I was wondering. If there's no dedicated sRGB mode on a monitor, can you still calibrate it to an sRGB color gamut for photo and video color grading? I am referring to the Cooler Master GM34CW with 95%...
William Abucay's user avatar
1 vote
2 answers
289 views

Color space vs bit-depth and nesting

Okay, so I've read questions such as this one explaining the difference between the two which was illuminating, but I still have a few questions I didn't really quite gather from this. What I took ...
Pythonista's user avatar
5 votes
2 answers
3k views

6500k calibrated monittor - what are the RGB values to represent a given monochromatic radiation of known wavelength?

Say I've calibrated a monitor to the standard 6500k 2.2 gamma, and the color space is sRGB. On this monitor, I would like to have a reasonably accurate representation of a monochromatic radiation (...
Florin Andrei's user avatar
1 vote
1 answer
412 views

Look Up Tables in Colour Science

I am looking into the colour science regarding lookup tables, and their application to images. I am trying to find out what the values within the LUT actually represent. ...
hdcdigi's user avatar
  • 13
4 votes
3 answers
359 views

When soft proofing, why does the image change between relative and perceptual intent when there are no colours out of gamut?

My understanding is that relative intent just clips the out of gamut colours and that perceptual intent scales (compresses?) the colours to make the out of gamut colours fit. It seems to me there is ...
Ralph's user avatar
  • 151
2 votes
3 answers
206 views

Color regrading/correction/calibration between photos for scientific color analysis using in-image palette

This question is not quite in the same vein as artistic photography but I feel that this StackExchange is best suited to answering the question. Closest questions I could find for further reading ...
user36847's user avatar
1 vote
1 answer
236 views

How to reduce color gamut in Photoshop?

I would like to see how the image will be displayed on the monitor with lower color gamut. Am I able to mimic this using Photoshop?
Roman Matveev's user avatar
2 votes
3 answers
442 views

Can an RGB channel be shifted to increase color gamut into the violet range?

TL;DR: Can additive RGB color gamuts produce the perception of light that has a shorter wavelength than the Blue component? If not, does shortening the wavelength of the shortest component of a 3-...
feetwet's user avatar
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5 votes
1 answer
232 views

How can I get both monitors to look the same?

I have used Acer V247Ybip for about a year and decided to buy Acer V247bi to use for second monitor, which is basically the ...
Veliko Kosev's user avatar
0 votes
1 answer
195 views

Do CEIL LAB images look really the same on all monitors?

Monitors can show only RGB models, which has different values on different settings of the monitor. CEIL LAB was designed to be device independent, however I have a confusion that essentially the ...
Gaurav Pant's user avatar
1 vote
1 answer
1k views

How can I display Color Profile of every jpeg in a folder?

I need to find the color profile of every jpeg in a folder so that I can determine which ones I want to edit. Can I batch list them? I do not have Photoshop.
Jerald Cogswell's user avatar
1 vote
2 answers
830 views

Pseudo high-bit grayscale - does this idea already exist? [closed]

I have an idea for a grayscale color space that is able to have 11 bits of grayscale depth on a typical 8-bit color depth monitor. The idea I'm going to detail is ...
lynn's user avatar
  • 121
6 votes
2 answers
1k views

Why does GIMP ask me to switch between sRGB color profiles?

I'm scanning pictures with an Epson Perfection V600 and editing in GIMP. When I open these pictures, I get a dialog asking if I want to convert the color profile from "EPSON sRGB" to "GIMP built-in ...
zaen's user avatar
  • 163
0 votes
1 answer
121 views

How do I save this 'band-less' version of this image from ACR?

The sky shows banding in Photoshop, but if I press ctrl+shift+A to go into ACR, it's gone. I assume that no actual pixels are being changed when I enter Adobe Camera Raw, and I'm not touching any ...
CreeDorofl's user avatar
0 votes
2 answers
652 views

Same sRGB image different colors in Lightroom, Windows, Web and Android

recently I've started having troubles with my image colors. The same image (sRGB) looks different in Lightroom, Windows, and Android. I import my photos that were shot on Fujifilm X-T3 in raw (.RAF) ...
Martin Latal's user avatar
1 vote
2 answers
701 views

Why do pure colors (red/green/blue) become a mixture of colors when converting raw?

In trying to understand how raw is converted, I created a synthetic raw image that has a red, green and blue gradient strip, with a gamma of 2.2 (dng). I made the synthetic raw by converting an image ...
Atnas's user avatar
  • 278
1 vote
3 answers
379 views

Is there an better than Adobe RGB monitor?

All monitors I see claim 99 percent of the Adobe RGB and that's it Is there something better? We are seeing 14 bit HDR televisions these day which uses 14 bit altough I am not sure what exactly they ...
Delta Oscar Uniform's user avatar
0 votes
2 answers
131 views

Is it possible to make an monitor that can output colors perfectly? [closed]

We have come from long way from my rather bad IBM E74 monitor with terrible color reproduction to the brand new monitors with 14 Bit HDR. But will we ever see an monitor that can output colors that ...
Delta Oscar Uniform's user avatar
2 votes
2 answers
119 views

How did color spaces get their names?

Why RGB instead of BGR, GBR or perhaps GRB? Why CMYK instead of YMCK, KMCY, CKMY, YKMC and etc?
Delta Oscar Uniform's user avatar
2 votes
4 answers
2k views

Are there reasons to NOT use Adobe RGB in JPEG/TIFF files and CIELAB in TIFF files?

Back in the day of 256 color displays. We had web safe colors but today nobody uses 256 color systems. These days people are using either sRGB or Adobe RGB monitors and browsing the net with it. In ...
Delta Oscar Uniform's user avatar
1 vote
2 answers
318 views

Why does the imported JPEG from my Canon Powershot G9X Mark II on PC screen differ quite significantly from the camera display? [duplicate]

Consider the attached sample images. I took them circa 4:50 AM and 3:50 AM, respectively. On the Live View display of the Powershot G9X Mark II, they were full of light. The pictures were taken as ...
iksemyonov's user avatar
2 votes
2 answers
4k views

How would I construct the CIE Yxy diagram? [closed]

It seems most references showing a CIE Yxy diagram can be reduced to very few (one?) sources. If I wanted to construct the diagram myself from some published measurement values, how would I do it? I'...
U. Windl's user avatar
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1 vote
2 answers
2k views

Standard color space more vivid than Adobe RGB in Dell DELL UP2516D?

I noticed than the Standard preset of colors of my monitor produce more vivid colors than Adobe RGB preset. As far as I know, the monitor can reproduce both sRGB and Adobe RGB. Thought that the Adobe ...
lelukas's user avatar
  • 13
3 votes
1 answer
479 views

Is there a way to see CIE 1931 chromaticity diagram in its true color?

As I understand, on ordinary monitor I could only see a subset (e.g. sRGB) of the horseshoe shape of visibile color. Is there any lab device that could generate all the visible colors and project ...
Firegun's user avatar
  • 131
2 votes
3 answers
469 views

How do monitor and image editing software color profiles interact?

I've Googled, I've Bing-ed, I've even DuckDuckGo-ed, but I can't figure this out. Here it is: My monitor has its own color profile, currently "eyeball" calibrated but soon to be really calibrated. ...
KEF's user avatar
  • 121
3 votes
1 answer
3k views

ColorSync found bad profile on Mac. What are the possible side effects?

Today something led me to discover ColorSync Utility under Applications > Utilities. Upon ...
Abhinav Singh's user avatar
4 votes
6 answers
4k views

Should I use ProPhoto RGB?

I am fairly new to photography, and I have heard many people say that I should import my images in Photoshop using ProPhoto RGB as color space (only for the RAW images). However, when I import my ...
RandomGuy's user avatar
4 votes
4 answers
413 views

Is it possible to buy chromaticity-plot color standards? If so, how, and where?

(I hope this is the correct site to ask this; if it isn't, sincere apologies ─ and please help me find a good place to ask :-).) I'm a physicist and I've been dabbling in color theory for some time, ...
E.P.'s user avatar
  • 141
3 votes
2 answers
310 views

How does Lightroom group colors inside the HSL panel?

I am working on a small application that would allow the same functionality as the Lightroom HSL Panel: I would like my application to behave very similarly to how Lightroom does. Therefore I grouped ...
Selim's user avatar
  • 133
1 vote
2 answers
319 views

SilverFast CIELab: What illuminant and observer is assumed?

I am scanning prints with the scanner software SilverFast, which offers the option to scan to a file containing CIELab values. However I need to know what CIE illuminant and observer is assumed when ...
KAE's user avatar
  • 481
1 vote
1 answer
130 views

How to process images to emulate mismatched color profiles?

I have been trying to emulate a saturation effect that occurs when I do the following in Photoshop: Select the Export As dialog and choosing JPEG without ...
Bent Rasmussen's user avatar
11 votes
2 answers
10k views

Which color space is used by my iPhone 8 photos?

While my old iPad mini photos say their color space is sRGB, my new iPhone 8 photos tell me their color space is "65535" ("unknown value"). Some sources say this value means "uncalibrated", but that ...
ideaboxer's user avatar
  • 213
3 votes
1 answer
599 views

Are these versions of sRGB v2 the same?

I have seen references to two versions of sRGB v2 IEC 6 1966-2-1, for example here ICC.1: 2001-04, for example here Are these the same, or different? They come from 2 different organizations (IEC=...
KAE's user avatar
  • 481
2 votes
2 answers
1k views

After soft-proofing in Lightroom, which color space should I embed with the exported JPG?

Let's say I've loaded my print shop's ICC profile for the printer/paper/ink combination I'll be using into Lightroom, I've soft-proofed the image in the Developer module with said ICC profile, and I'm ...
the_meter413's user avatar