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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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49 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 ...
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122 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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150 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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3answers
103 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 ...
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2answers
53 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 ...
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2answers
79 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?
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3answers
177 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 ...
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2answers
96 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 ...
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2answers
200 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'...
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374 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 ...
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1answer
121 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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3answers
129 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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1answer
394 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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4answers
1k 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 ...
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4answers
160 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, ...
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2answers
144 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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1answer
68 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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1answer
113 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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2answers
3k 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 ...
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1answer
101 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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2answers
573 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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1answer
32 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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1answer
324 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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5answers
5k 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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1answer
1k 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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3answers
141 views

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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2answers
4k 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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2answers
1k views

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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2answers
4k views

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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1answer
5k 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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1answer
255 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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1answer
3k 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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3answers
217 views

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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2answers
536 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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3answers
10k views

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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1answer
353 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 ...
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3answers
14k views

I used a Spyder 5 Pro from Datacolor to fix my monitor color, and now it's even worse?

I'm using an Alienware 17 R3 with a 4K screen, and my monitor colors were looking off, so I bought a color probe to get my monitor screen as close as I could to print. Made sure all screen and ...
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3answers
563 views

Does saving a file in Prophoto RGB increase filesize?

Does saving a file in ProPhoto colorspace increase filesize? I'd think that given that it contains more informations it would use up more diskspace, (if so, how much more?) on the other hand, the ...
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3answers
822 views

Why don't we see charts of the colorspace/gamut of a DSLR?

For many displays, we see the color space or gamut shown on chromaticity charts in comparison with some standard color spaces like Rec. 709, sRGB, Adobe RGB, and Prophoto RGB which gives an indication ...
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1answer
162 views

How are images saved in different color spaces?

I am learning about color spaces, but I am wondering about how computers save color values of each pixel. I know that if an image is in the RGB color space, the computer will save the Red, Green, ...
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2answers
146 views

On iOS, why would one want to pick a 'video' pixel format (16-235) over a 'full' format (0-255)?

Take a look at this screencap from this year's WWDC session 501 "Advances in iOS photography". As an app developer, you can tell the camera subsystem to either use the 'video' pixel format or the '...
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7answers
4k views

What is the actual color space of film in film photography?

I have been thinking about this question for a while now, and I haven't found an answer online. Modern technology (scanners, screens, digital cameras, printers...) use technical color spaces to ...
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1answer
849 views

Tagged or untagged sRGB images for web?

I have a situation and I am interested to find your point of view. We have a calibrated monitor at D6500, tone curve as measured ~2.4, white level ~90cd/m2 and a tagged sRGB / untagged sRGB image ...
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2answers
507 views

Why does the result of Photoshop Curves and Imagemagick Curves differ?

When using imagemagick to apply curves (convert -function), the output differs from the output when I'm using a curves adjustment layer in Photoshop. What is the reason for this difference? I'm using ...
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6answers
6k views

Is there free software to compare gamuts?

This questions is related to Why did LR6 soft proofing thought some colors were out of gamut even if they turned out perfect? Since I found out some of my images are out of gamut of the printing ink+...
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4answers
1k views

Why are the color spaces we have access to incomplete?

The question, then: If all colors are combinations of red, green and blue, and my monitor's pixels use all three, why is its color space limited to so small a portion of the actual complete color ...
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1answer
109 views

Soft proofing without physical printer in LR6

I've decided to print out one of my photos with a plotter. So to make sure I will get the right colors I've asked in the print shop what printer and paper are they using so that I can soft proof in ...
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2answers
281 views

Are colour profiles ever stored in RAW files?

Recently on a wildlife photography course, the leader asserted that using aRGB in the camera settings meant less loss of data in the RAW file than if sRGB were used. As I did not understand this I ...
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1answer
1k views

In Lightroom how do you specify Perceptual or Relative when exporting image?

In Lightroom 6 I can use Soft Proofing to see what my image will look like with different profiles, and I can choose whether to do the conversion using Perceptual or Relative. However when I actually ...
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2answers
115 views

Is conversion from one colour profile to another clearly defined

Is conversion from one colour profile to the other other clearly defined ? If I change the ICC profile for an image from sRGB to another profile such as Adobe RGB will it be applied the same way by ...