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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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%...
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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 ...
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how to check gamut coverage in color navigator?

I just got the EIZO CS2740 and i'd like to check what the color gamut coverage percentage is in the various color spaces. how can i do that in color navigator?
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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 (...
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74 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. LUT_3D_SIZE 33 0.000000 0....
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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 ...
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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 ...
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84 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?
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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-...
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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 same monitor, but without the Display Port. The problem is that basically ...
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68 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 ...
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85 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.
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664 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 simple, so I assume it must exist ...
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301 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 ...
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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 ...
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443 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) ...
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332 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 ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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'...
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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 ...
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197 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 ...
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347 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. ...
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2k 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 Verify I discovered 9 bad profiles on my Mac. Searching for profiles... Checking 63 profiles... /Library/...
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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 ...
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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, ...
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223 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 ...
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155 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 ...
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121 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 integrating an ICC profile Select the Open ...
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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 ...
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357 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=...
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839 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 ...
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37 views

Are the sliders in Adobe Camera Raw input color space independent?

Are the sliders (shadows/highlights) in Adobe Camera Raw affecting the device-dependent data before transformation to device-independent color space, or does this transformation happen after the input ...
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430 views

How to create abstract color profile to encode specific color transformation?

I have a set of images (48-bit TIFF) that are encoded in ProPhoto RGB. I have a set of alternative input color profiles (related to ProPhoto RGB, but slightly different) that I can assign to the ...
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8k views

Colors are different in Adobe Camera Raw compared to Photoshop (sRGB)

Here is a .NEF raw file taken with a Nikon D7000, opened in Camera Raw. Note that sRGB IEC61966-2.1 is chosen as the colour profile. I have not modified any image settings. The reds appear washed out....
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2k views

Photoshop color profile mismatch when open raw

When i open my raw files in adobe photoshop, a message box opens asks: the document has an embedded color profile that does not match the current RGB working space. Embedded: Adobe RGB (1998) ...
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What are the benefits of profiling a factory-calibrated AdobeRGB monitor?

Suppose I have a high-end monitor that supports AdobeRGB natively and is calibrated at the factory. Assume that I just got the monitor and that factory calibration is spot on. Do I still need ...
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6k views

What does “calibrating a screen to sRGB” mean?

I occasionally read on Internet the mention of "calibrate your display to sRGB" or "a display calibrated to sRGB". Now, I am no expert in color management, but I have this thick book which I am ...
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lightroom photo export with sRGB profile

I work on a calibrated Full gamut monitor, and switch between lightroom and Photoshop for my editing. Both are set to work in AdobeRGB color mode. After all edits are done, i go to export, and set the ...
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How does the in-camera color space setting affect RAW files? [duplicate]

When I switch my Nikon D750 from sRGB to the Adobe RGB color space in the Photo Shooting menu, how does it affect the content of my NEF files? I understand what would happen to JPEGs, but the camera ...
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7k views

Color profile inside JPEG file

1) What is the best practice for color profiles embedded in .JPG images, for web? (non print) sRGB profile stored in .JPG file ? AdobeRGB profile stored in .JPG file ? no profile setting in .JPG file ...
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301 views

Humanae pantone colors to RGB conversion

How to find the RGB color codes for the humanae project-humanae link. It uses pantone colors, but the codes given in the website at humanae couldnt be found on pantone color finder at pantone-color ...
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4k views

How to do batch conversion from Adobe RGB to Srgb

I have a lot of pictures (almost a full 4gb memory card) that I accidentally shot in Adobe RGB on my Sony SLT a35. Will Adobe RGB images look different or unrealistic if seen/displayed on a monitor (...
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Why does editing software not care about colorspace?

TLDR: Editing software does never indicate clearly how effects operate in terms of color spaces, gamma ramps and whitepoints. Why? Since I learned a lot about colorspaces, whitepoints, gamma ramps, ...
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643 views

Inconsistent image viewing experience

I post-processed a RAW photo in Photoshop in 16bit in the ProPhoto color space and lastly exported it to an 8bit sRGB JPEG image. Now the funny thing is that I experience different results depending ...
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P3 Color Pallet vs sRGB

I have RAW images and export them from Lightroom using the default sRGB colorspace and haven't ever had a need to change this for display on websites. However, I develop websites and apps that run on ...
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759 views

Change JPEG ColorSpace Encoding value

I exported a photo to JPEG without realizing it had embedded Color Profile "ProPhoto RGB". When I opened it in a viewer that, presumably, assumes the sRGB ColorSpace, I really liked the effect. How ...