Color Issues (General&Photoshop)

Hello. I have been having color issues with my imac for quite sometime and I have not found a good solution.
For some reason, the image previews for files that I have in my computer appear more dull/less saturated than when I open them in Preview or even upload them to the internet. How do I fix this?
I have already went to Preferences and calibrated my display to 2.2 gamma/65 white.
However, when I am creating graphics in Photoshop CS for the web and save for web (as .png) and upload them to the internet, they appear slightly brighter and more washed out.
Any help or advice would be greatly appreciated.

Make sure you have photoshop preferences set to color manage. If you already are having photoshop color manage profiles then check out this forum.
http://forums.adobe.com/community/photoshop/photoshop_macintosh;jsessionid=3D49A 7267AFCF887466FC2CCA9829E86.node0

Similar Messages

Color Issues! Photoshop to Web..

Help! I am new to Photoshop C4 and I simply can not get my color on the screen in photoshop to be the same as the output of my design. For example, I know that that hex color c7dcdc is a light bluish color, but in photoshop it shows up gray. When I save the image for the web it is the correct color, but often I choose my colors within photoshop (not vice versa) and expect them to come out the same when I save them to a PDF or for the web. I have tried changing color management etc and nothing seems to work. Can anyone help me? In my previous version of photoshop, it all just worked. I am sure there is a logical reason for this, but I can't figure it out! I'm losing it over here. Thanks!

The monitor needs to be color calibrated. If you don't own calibration software there are free software that can be found on the net.

Color issues in Photoshop CS6

A few days ago my Photoshop installation began muting all of the colors. Nothing I've found has been able to change it. Color Settings are set to North America General Purpose 2, I even tried deleting Photoshop's preferences file and letting it recreate it to return everything to default, no change. Here's a perfect example of what I'm talking about http://i.imgur.com/EpFgI.png
On the right is a website pulled up within Chrome. On the left is a screenshot taken (via Print Screen) of that exact same web page and then pasted into a default web RGB settings file. It's easy to tell the difference when you look at the blues. This is happening to everything I load in photoshop, color profiles or settings don't make any difference, and no other applications have this problem (including other Adobe applications). Any ideas?
If it matters, I'm running Windows 8 with 2x AMD 6950's in Crossfire.

Thanks for helping. So I downloaded the Whacked RGB file and opened it in photoshop, I get this message http://i.imgur.com/xQ8VV.png and the file looks perfectly normal if I open it with the embedded profile or if I convert it to the working space. Discarding the embedded profile makes it blue. Does this help at all? The link you sent says "In conclusion, if your setup is displaying the WhackedRGB file at least okay, then the problem points to your "problem" files — they either have profile issues or the actual problems Photoshop is showing you. Period." when this is the case.
I also found another quirk while messing with this, the color actually looks fine in my other monitors. If I drag the photoshop window over to my primary monitor, the colors stays perfectly fine until I actually drag my cursor over the file, then it changes. I recorded a screenr to showcase this http://www.screenr.com/FFC7 so you can watch it in real time, just keep your eyes on the blue. It must be a monitor profile issue specifically with photoshop, I'm just not sure how to fix it.

30 bit color issue with photoshop cs6

I have 30 bit deep color enabled for my photoshop cs6, but whenever and wherever I hovered my brush tool above the image, it will wipe away the 30 bit information(note by switching to a different tool, it will automatically update everything back to normal)? By the way, I have a firepro w7000 video card.

PSD = Photoshop
AI (which PS can export) = Illustrator
As you can see, mine saves as and AfterEffects file in Vista (CS4)
After selecting Photoshop, the icon changes and it opens with the proper app.
On the Mac I click the file and "get Info", and choose PS CS6.
It's now a cross format PSD.

Color issues between photoshop files and PDF's

i create a lot of PDF's from photoshop photographic files in order to email to clients for review. when i look at the PDF's, the colors look flat and dull and dark compared to the original photoshop files (I'm using CS3 and Acrobat Professional 8.0). I have the color space settings the same in both (ProPhoto RGB). I usually do the "save as smallest file size" so the PDF is emailable (there are often many pages, created from photoshop contact sheets). There is no option in Bridge to synchronize the color settings between the creative suites because i don't have all the suite applications. i've tried saving the PDF with the "PDF/X-3" option, but that doesn't seem to work either. is there something i'm missing?

Yeah - don't do that!
I would recommend you check with the Photoshop support area for more details...
Leonard

Photoshop CC Color Issues

When I updated my Photoshop program two updates ago I began having color issues in Photoshop as the rest of the Adobe Suite. Regardless of whether the color mode is RGB or CMYK the colors appear washed out on the program. This image http://i.imgur.com/BWVwbx2.jpg is an example. The image on the right is a screen shot of the original image of the shoes copied from the website, the image on the left is the same image copied into photoshop. When I try to save the RGB file as a jpeg or a PDF it looks the same as it did in the program, washed out. However, when the file is CMYK color mode and I try to save it as a jpeg or PDF it looks like this http://i.imgur.com/TAUyeOf.jpg. Both my coworker and I started having this issue on our seperate computers around the same time so I don't believe that it is a graphics card issue or something along those lines. How can I fix this? I have tried calling Adobe support, but unfortunately the person on the phone was not very experienced in the program and unable to help.
Some Info about my computer:
Currently I have Photoshop CC with the 14.2.1 update. I have Windows 7 Professional SP1, 64-bit OS, 8 GB of RAM (7.87 GB Usable) and 360 GB free space on the (C:) drive.

Illustrator and Windows Photo Viewer agree. They should, because they're both fully color managed. I assume Photoshop shows the same.
Picasa is not color managed. All bets are off there, it can display like anything under the sun, depending on what color space the file was created in, and how your monitor displays color.
There is a basic checklist for color management issues:
1 - is the application color managed at all?
2 - is there an embedded document profile, and what is it?
3 - what is the monitor profile?
We've established #1. For #2, see in the lower left corner of the Photoshop image window. Click the little arrow and check "document profile". What does it say?
#3 is often the critical one. This is where your calibrated monitor profile should be - but if you don't do that, it's often a manufacturer supplied profile. These are often worse than worthless. The best option here is to use sRGB if you have a standard gamut monitor (like the U2412) - or Adobe RGB if you have a wide gamut monitor (like your co-worker's U3011). Yes, there is a significant difference between these two.
Anyway:
Go to Control Panel > Color Management > Devices. Set sRGB IEC61966-2.1 as your default monitor profile there and relaunch Photoshop:
With this setting, Photoshop, Illustrator and Windows Photo Viewer will display (more or less) correctly. It could still be that the file had the wrong document profile, or none at all, but the file will display correctly as it is.

Correcting color issues in Lightroom?

I use LR to process 5D RAW files. In most lighting conditions, I get good colors in LR. However, in tungsten light I'm having a hard time getting pleasing colors even using a WhiBal card. They consistently have too much yellow and not enough cyan in relation to magenta. I know how to correct these color issues in Photoshop (using curves in CMYK mode), but I'm wondering if there's a way to do it in LR. That would save me a lot of time, especially if I could create a preset that works well for tungsten light.

Shoot your colorchecker card in Tungsten light and use one of the following calibration scripts. The values they generate can be directly used in Lightroom and you can make a develop preset out of them.
http://www.rags-int-inc.com/PhotoTechStuff/ColorCalibration/
http://www.fors.net/chromoholics/
You can also do this by hand by playing with the camera calibration sliders in Lightroom, but you will not get as good results as with these scripts.
P.S. if your final output is not going to be offset print, you should probably never work in CMYK mode in Photoshop. You will throw away a very large amount of colors that can be easily reproduced on computer monitors, inkjet printers or even just photographic printers.

COLOR ISSUES after edit in Photoshop CS2

OK, I have posted this before and I am surprised that I seem to be the only one with this issue since no one has responded.
I take a RAW file in lightroom, do some adjustments in the Develop Module and then pass off the file to Photoshop CS2 for more work (editing a copy). I do the work in photoshop and save the file. The thumbnail and the preview in lightroom do NOT match the work I did in photoshop. Everything is correct except the color. It is VERY washed out.
If I look at the file in photoshop it is fine.
Color space in both programs is ProRGB. Monitor is calibrated and I have not had any color issues before this. Additonally it only happens on some files. Is there something that I could have done differently that I don't realize that is making the difference?
ANY help would be appreciated.

FIrst off, more info: Platform, RAW type and means of Monitor calibration.
Don
Don Ricklin, MacBook 1.83Ghz Duo 2 Core running 10.4.9 & Win XP, Pentax *ist D
http://donricklin.blogspot.com/

Lightroom/CS3 color issues on Mac

Hello,
I've seen a few posts about color issues, and I've tried following the advice posted, and I'm still having a problem. My photos appear fine in PS and in Lightroom (as well in in Mac's previewer) but when I upload them to the web or view the saved file on another computer, they appear severely desaturated with a blue tone.
I'm using running Mac OX X on a new MacBook Pro. I have Lightroom and CS3 installed and fully patched.
I am shooting in RAW with my Nikon, and importing the photos to Lightroom. In Lightroom, I choose "edit in CS3" and then the file opens in CS3. My settings for that are to open it as a 16 bit PDF ProPhoto RGB. My color settings in CS3 are set to ProPhoto RGB working space, preserve embedded profiles, ask when opening and pasting.
The files still look great when I open them in PS, and then I save them and when I look at them again in Lightroom they also look good (the same). However, if I export them as .jpgs from Lightroom, or save them directly from CS3, they lose their color quality.
I've found that if I change my proof setup to "monitor RGB" then I can see the photos the same way they appear when saved (the bad, desaturated version).
I would really appreciate any help anyone could provide. I am generally happy with my Lightroom/CS3 workflow, but I'm totally baffled with this color issue.
Emily

Well, I think what you need to do is get a better grasp on the fundimentals of color management-which is a bit beyond the scope of what the forums can offer you.
The bottom line is that Lightroom & Photoshop CSx (meaning past CS or actually even back to 7) can and does make use of display profiles (you can't turn it off even if Photoshop has a setting that makes you think you can). An image in Lightroom and Photoshop is always color managed...outside of an app that is color management, all bets are off.
Save, assigning and converting to profiles are all very different. Photoshop CS3's color settings are absolutely critical because that's how you deal with managed and unmanaged color.
Until you learn different, I would suggest that you set your CS3 color settings to North American PrePress 2....if you want images for the web, Convert To sRGB or use the new Save For Web (which can now do the sRGB conversion-finally).
For other uses and purposes, I would suggest that you seriously consider using Adobe RGB-until such time that you understand the implications of using Pro Photo RGB.

CS5 - Color difference between Photoshop and other programs

I'm running CS5.5 student edition on a brand new Asus Q500A laptop running Windows 8. i7 processor and a UMA graphics card.
I do not have calibration software; I'm using Calibrize for the moment and colors appear fairly true when browsing after calibration.
My problem is that overall colors in Photoshop appear more saturated than those in regular browser windows, particularly reds. I set up my computer to run the Win8 photos app and my desktop with Photoshop simultaneously and the color difference was immediately noticeable. I did a quick screen grab to show the difference; the inset photo is the one viewed in Win8's photos app, and the background is the exact same photo open in Photoshop.
This is the second install of this program. I originally installed it on a Dell Inspiron with a DuoCore processor (way out of spec, I know - that's why I upgraded!) and I seem to remember having this issue then, too. I found a way to correct it, but I don't remember how I fixed it and Photoshop is no longer on that machine so I can't look over my settings.
I have not changed the color profile in Photoshop. When installed it chose North America General Purpose 2 as default and I've left it there. I experimented with the other color profiles and while the color tone in Photoshop changes, there is still a difference when the image is viewed in another program.
Any help is much appreciated - I can't trust the program to handle color properly right now and until I can, I'm dead in the water.

I'm sorry, but I have to disagree. When I view the image on another computer or my iPhone, the image views properly. It's my photography, from a tree in my back yard. I know how the image is supposed to look, and right now it doesn't look right in Photoshop.
On my previous machine, I am almost positive that it was saving as sRGB by default as well. I don't remember what color profile I was working in, but I know that I did not have a color profile/space error pop up on opening new images, nor do I have that problem on other images saved on that machine that I'm opening on the laptop.

Getting weird error: "General Photoshop error occurred".

Hi Guys,
I am trying to get the info(font, color, alignment etc.) of text kind layer in Photoshop CC. My script is as follows,
var textLayer = activeDocument.activeLayer.textItem;
var fontName = textLayer.font;
try{
     var textColor = "R: " + textLayer.color.rgb.red + " G: " + textLayer.color.rgb.green + " B: " + textLayer.color.rgb.blue;
catch(e){alert(e);}
try
     var textAlignment = textLayer.justification.toString();
catch(e){alert(e);}
On setting the color value R - 0, B - 0 and G - 0 or alignment 'Left' and create a text layer after this. I encountered an error
"Error: General Photshop error occurred. This functionality may not be available in this version of Photoshop.
     - <no additional information available> "
If I set some other color value and other alignment and create the text and get its info, script works fine.
Or If I change the values and revert it back to 'Left' alignment and R-0, B-0 and G-0 then I am able to get the values with the above script.
I get this error at first time only and after that script works fine
I also run this script with CS5 version, Its working fine there. But I don't know why I am getting this error in CC version.
Am I doing something wrong here or Is it some issue with Photoshop CC.
Any help would be appriciated.
Thanks..

Is your text layer using a layer style? If so, this routine should find the font and color in use.
var fontsInUse = [];
var colorsInUse = [];
if ( documents.length > 0 ) {
    GetFontUsage( activeDocument.layers, fontsInUse );
          alert( fontsInUse );
    GetColorUsage( activeDocument.layers, colorsInUse );
          alert( colorsInUse );
} else {
          alert( "Please open a document." );
function GetFontUsage( l, f ) {
    for ( var i = 0; i < l.length; i++ ) {
        if ( l[i].typename == "LayerSet" ) {
            GetFontUsage( l[i].layers, f );
        } else if ( l[i].typename == "ArtLayer" && l[i].kind == LayerKind.TEXT ) {
            try {
                f.push( l[i].textItem.font );
            catch(e) {
                f.push( GetFontUsageFromDescriptor( l[i] ) );
function GetColorUsage( l, f ) {
    for ( var i = 0; i < l.length; i++ ) {
        if ( l[i].typename == "LayerSet" ) {
            GetFontUsage( l[i].layers, f );
        } else if ( l[i].typename == "ArtLayer" && l[i].kind == LayerKind.TEXT ) {
            try {
                f.push( Math.round(l[i].textItem.color.rgb.red) + ":" +
                        Math.round(l[i].textItem.color.rgb.green) + ":" +
                        Math.round(l[i].textItem.color.rgb.blue));
            catch(e) {
                f.push( GetColorUsageFromDescriptor( l[i] ) );
// text layer probably has a layer style
// we will try to select the layer
// pull the descriptor
// and see if we can find a font
function GetFontUsageFromDescriptor( l ) {
    var layerFontName = "";
    var lastActive = activeDocument.activeLayer;
    activeDocument.activeLayer = l;
    var ktextKeyStr = stringIDToTypeID("textKey");
          var ref = new ActionReference();
          ref.putProperty(charIDToTypeID('Prpr'), ktextKeyStr);
          ref.putEnumerated(charIDToTypeID('Lyr '), charIDToTypeID('Ordn'),
                                                                                                                                  charIDToTypeID('Trgt'));
          var desc = executeActionGet(ref);
          if ( desc.hasKey( ktextKeyStr ) ) {
                    var descText = desc.getObjectValue( ktextKeyStr );
        var kparagraphStyleRangeStr = stringIDToTypeID( "paragraphStyleRange" );
        if ( descText.hasKey( kparagraphStyleRangeStr ) ) {
            var paraList = descText.getList( kparagraphStyleRangeStr );
            var kparagraphStyleStr = stringIDToTypeID("paragraphStyle");
            var paraDesc = paraList.getObjectValue( 0 );
            if ( paraDesc.hasKey( kparagraphStyleStr ) ) {
                var paraStyle = paraDesc.getObjectValue( kparagraphStyleStr );
                var kdefaultStyleStr = stringIDToTypeID("defaultStyle");
                if ( paraStyle.hasKey( kdefaultStyleStr ) ) {
                    var defStyle = paraStyle.getObjectValue( kdefaultStyleStr );
                    var kfontPostScriptNameStr = stringIDToTypeID("fontPostScriptName");
                    if ( defStyle.hasKey( kfontPostScriptNameStr ) ) {
                        layerFontName = defStyle.getString( kfontPostScriptNameStr );
    activeDocument.activeLayer = lastActive;
    return layerFontName;
// text layer probably has a layer style
// we will try to select the layer
// pull the descriptor
// and see if we can find a color
function GetColorUsageFromDescriptor( l ) {
    var layerColor = "";
    var lastActive = activeDocument.activeLayer;
    activeDocument.activeLayer = l;
    var ktextKeyStr = stringIDToTypeID("textKey");
          var ref = new ActionReference();
          ref.putProperty(charIDToTypeID('Prpr'), ktextKeyStr);
          ref.putEnumerated(charIDToTypeID('Lyr '), charIDToTypeID('Ordn'),
                                                                                                                                  charIDToTypeID('Trgt'));
          var desc = executeActionGet(ref);
          if ( desc.hasKey( ktextKeyStr ) ) {
                    var descText = desc.getObjectValue( ktextKeyStr );
        var kparagraphStyleRangeStr = stringIDToTypeID( "paragraphStyleRange" );
        if ( descText.hasKey( kparagraphStyleRangeStr ) ) {
            var paraList = descText.getList( kparagraphStyleRangeStr );
            var kparagraphStyleStr = stringIDToTypeID("paragraphStyle");
            var paraDesc = paraList.getObjectValue( 0 );
            if ( paraDesc.hasKey( kparagraphStyleStr ) ) {
                var paraStyle = paraDesc.getObjectValue( kparagraphStyleStr );
                var kdefaultStyleStr = stringIDToTypeID("defaultStyle");
                if ( paraStyle.hasKey( kdefaultStyleStr ) ) {
                    var defStyle = paraStyle.getObjectValue( kdefaultStyleStr );
                    var kColorStr = stringIDToTypeID("color");
                    if ( defStyle.hasKey( kColorStr ) ) {
                        var colorDesc = defStyle.getObjectValue( kColorStr );
                        layerColor += Math.round( colorDesc.getInteger( stringIDToTypeID("red" ) ) ) + ":";
                        layerColor += Math.round( colorDesc.getInteger( stringIDToTypeID("green" ) ) ) + ":";
                        layerColor += Math.round( colorDesc.getInteger( stringIDToTypeID("blue" ) ) );
    activeDocument.activeLayer = lastActive;
    return layerColor;

Color problems in photoshop cs5 and bridge

Recently, whenever I open images in photoshop or view them in Bridge, they look desaturated. In Bridge, they load normal at first but after a couple of seconds, they become desaturated and I can't figure out what the problem is. I have all of the same color management settings as before, the only difference on my computer since the colors stopped working was that my computer installed windows updates. The images look fine when viewing them in the Windows viewer, and in other programs like ACDSee, etc. It only looks like this in Adobe programs. I checked in Bridge under Creative Suite color settings, and it is under North America General Purpose 2. In Photoshop, I checked color settings, and all of them are marked as convert to working rgb, cmyk, etc. Any suggestions?

The monitor color profile tells Photoshop and the other color managed programs how your monitor displays colors. Color profile files are installed by putting them in C:\Windows\System32\spool\drivers\color. Then to assign or confirm a color profile for your monitor, you use the Color Management control panel. Under the Devices tab when 'Use my settings for this device" is checked, the color profile currently in used is the one which name ends with (default). For example 'Dell U2410 color Profile, D650 (default)'.
You can download the color profile for you monitor from here http://support.dell.com/support/downloads/download.aspx?releaseid=R279694&formatcnt=0&libi d=0&fileid=413637
http://support.dell.com/support/downloads/download.aspx?releaseid=R279694&formatcnt=0&libi d=0&fileid=413637
it downloads a .exe file which is simply a decompressor like .zip files. Run it, and in the folder you will find a file with the name DELL-U2410.icm - his is your monitor color profile from Dell. However most likely Windows has already installed it for you.
Now, given your situation, you may have these eventual problems.
First problem.
Your monitor is a wide gamut monitor 102% of NTSC and Windows defaults at sRGB which is about 70% fo NTSC. NTSC is a color space representing the visible spectrum and is used in monitor specs for measuring the gamut.
Assuming that for some time you didn't use a color profile which more closely represents your monitor, Photoshop was displaying images on your wide gamut monitor using the default sRGB color profile which represent standard gamut sRGB monitors and this is very different from yours. Said in other words you were seeing one thing on your monitor while Photoshop was assuming it is another thing. This becomes a problem when you convert from one color space to another and display or reproduce the image on other devices, and in your case when monitor profile is changed to a very different one. To fix this you have to assign your correct monitor profile to the images that were created with the wrong profile and then convert to a common color space like sRGB, AdobeRGB, etc. Assign and Convert to profiles are in the Edit menu.
Second problem.
The color profile from Dell may not be representing correctly how your monitor displays colors. Dell creates a profile that is not measured to your particular unit but for what they assume is an average representation of the monitor's model. Using it, you depend entirely on luck. I have u2711 and I was very unlucky. If you are curious you can study my case which may be also very educational for you and will be able to see clearly the difference between the colors of my monitor and those the Dell color profile represents. Follow the same instructions above for downloading the color profile for your monitor but download the one for u2711 from here
http://support.dell.com/support/downloads/download.aspx?releaseid=R247058&formatcnt=1&libi d=0&fileid=365277
then go to that web site from your link http://www.tftcentral.co.uk/articles/icc_profiles.htm and download my color profile that I'm sharing there. It is 'Dell U2711 Spyder 3 + Color Eyes DP User' once you have the color profiles files on you computer, go to this site http://www.iccview.de/content/view/3/7/lang,en/ , upload my monitor profile and the one from Dell and compare. That web site will give a 3D plot of two color spaces in a 3D viewer that you can navigate to see it from all sides (using the Ctrl, Shift navigates faster). The difference that you see made it impossible to create even simple images for the web using Photoshop. I convert from AdobeRGB to sRGB and when Photshop assumes that my monitor displays colors the way they are described in the Dell's profile, all detail in the shadows is eliminated and my images look like crap. I even got better results from creating a profile using this free software http://www.calibrize.com/ it uses the so call eyeometer relying on your eyes for feedback and although the colors were noticeably off, at least the shadow detail was preserved.
Hope that helps

Camera Raw 8.7.1 color issues

After the recent camera raw update to 8.7.1 I have noticed some pretty bad color shifts between camera raw and photoshop cs6. The colors in camera raw look very saturated and then when moving into photoshop the saturation shift is pretty dramatic. I never had these issues before the update. I have attached a screenshot illustrating the color issue. I am working on a very good monitor ( NEC PA 242W ) and it is color calibrated using NEC Spectraview calibration system. I have double checked my color setting in photoshop and camera raw to make sure I was viewing the same color space. I am just wondering if this is maybe a bug in the update and others are experiencing the same issues or if I am just missing something.
I would also add that I am using the Creative Suite CS6 and not CC. If that makes a difference.

Thanks ssprengel for the suggestions and running a side by side yourself. I went through all my settings and applied your suggestions and did a side by side each time. I even uninstalled the entire creative suite on my system then reinstalled and updated and I still get the same outcome. It was fine yesterday with the previous version of ACR. It seems like the updated version is not showing the image preview in any color space. When I switch the color space in the workflow options the histogram changes but it doesn't seem to affect the preview window. And yes the preview button was checked on it was just when I was using the screen grab tool in windows it took focus away from the application so that is why the settings appear grayed out. I have attached more screen grabs below illustrating all my settings. Also here is some system info if anyone out there has a similar setup and would be willing to test.
Adobe Photoshop Version: 13.0.1 (13.0.1.3 20131024.r.34 2013/10/24:21:00:00) x64
Operating System: Windows 7 64-bit
Version: 6.1 Service Pack 1

Color issues

Hi, I recently installed Creative Suite Web Premium, and have
weird color issues. If I open a jpeg in fireworks it looks correct,
but if I open it PhotoShop CS3 or Windows Photo Gallery the colors
look REALLY bright, not even close.
Any Ideas on how to fix this?
Thanks

In Photoshop, try turning off View > Proof Colors.
If that doesn't work, try Edit > Assign Profile and choose
"Don't Color Manage This Document."
If that doesn't work, try Edit > Color Settings and set
the "Settings" to "Monitor RGB."

Bizzare Color Issue With JPEGs In RGB

Recently when I've imported any jpegs from either the web or from my Thinkstock account I get strange color issues when it opens the image. Mostly the distortion happens in the whites. By default it opens in RGB mode (figure 1) and the issue goes away if I convert to CMYK mode (figure 2) but the image needs to be in RGB for me to use in an After Effects comp. Is there some step I'm missing in my color management? Thanks!

Make sure you install the 10.9.1 update.
Another test you can do is disable GPU drawing in Photoshop's preferences, then relaunch Photoshop.
If the problem goes away, then it was caused by the video card driver (or, possibly by a defect in the GPU, but those aren't as common).

Color Issues (General&Photoshop)

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