Embed color profile for Spot Multichannel

Is it possible to embed a color profile into a multichannel file made up of spot colors onlys ? More specifically can you embed custom dot gain curves into such file like you can for other color spaces like CMYK. ?

As far as I know, there is no connection or relation between gamma and dot gain. However, if your workflow excludes print media, you do not have to indicate any type of dot gain and, therefore, can assign a particular gamma to your "video" intended image ( i.e., television graphics, powerpoint oresentation files, etc. ). So, if you knew you are heading for a 30% dot gain ( i.e. offset press, magazine or newsprint, etc. ), then assign it in the working space dialog in PS. Again, this is my interpretation of gamma vs. dot gain. Once you understand the dynamics of the working space ( i.e., what you typically work on day-to-day )), then it sort of makes sense. I suppose if I were to suddenly be assigned to work on a video graphics project, I could change my gamma and eliminate dot gain because there is none. I'd just have to remember to go back and re-assign dot gain for my print projects. If, for instance, I was chosen to design a logo graphicv for a TV news program, perhaps a gamma of 2.2 would help the appearance of the color's brightness on screen. It comes down to the final application of the file itself. That's my take on it.

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Color profiles for I photo books

Is there a desired color profile to use for printing books with i photo
My images are currently adobe-rgb. jpegs brought in from CS
When I print the images thru CS they look great.
When i print them thru I photo book or the PDF they look very dark and muddy...and would assume the same of the book printing online.
any ideas on how to get the best print.
Is there a color profile availabe from the online book printers or are we just winging it
Also tried converting one page to S-RGB Still Muddy / dark thru i photo book
and PDF Print. And just fine thru CS
Any Ideas??
Thank you

I guess I am going to throw caution to the wind and see what happens.
Only one way to find out, Right
Though I did go back and lighten my images. Also
Ran color synch utility, which fixed 11 corrupt color profiles.(none of the 11 profiles pertained to i photo)
I guess I am afraid to use pref setter,, to set the key embed color profile.
Confused as to what that means??? Does that mean that all my CS Adobe-RGB jpegs will keep their color profile???
Also implanted one image as an SRGB vs the rest which will all be AdobeRGB
Oddly my color management in CS is almost Flawless. Yet, get me out of CS and I am completely lost!!!! Complicated stuff
Toad, I did want to pass on that AdobeRGB 1998 is a much more robust color profile then SRGB especially when it come to printing on Epson. It might be worth experimenting with and if you really want to get into it there is also
Pro photo RGB which is Huge color space, but a beast to work with
Here is a link
http://www.luminous-landscape.com/tutorials/prophoto-rgb.shtml
Will report back on my book
TF

Choosing Color Profiles for Images Created on Film

I just finished sending feedback to Adobe on one of its tutorials. The following is a copy of my message explaining my present predicament.
<< I have scanned film negatives and positive film transparencies dating back to the 1950's .I was the creator of most of these images but I do not remember the make or model of the cameras I was using at any point in time prior to 1974 and they all lack metadata. Prior to 2000 I used iPhoto and PS Elements for scanning, toning and development. Thus I can only guess what color profile I should use. I want to create TIFFS that will serve a dual purpose: exporting two formats, one for electronic sharing and the other for printing. On the Adobe CC, if I guess wrong, LR 5.6 64bit crashes immediately. Prior stand alone versions of LR and CS6 let you know that you had a color inconsistency, but they did not crash when you had made a wrong choice between srgb and ProPhoto. ACC gives me more options, but no warnings unless I am missing something your Help Files should contain.>>
David Krupp Win7 64bit
Chicago, IL 773-281-6278. [email protected]

I guess I am going to throw caution to the wind and see what happens.
Only one way to find out, Right
Though I did go back and lighten my images. Also
Ran color synch utility, which fixed 11 corrupt color profiles.(none of the 11 profiles pertained to i photo)
I guess I am afraid to use pref setter,, to set the key embed color profile.
Confused as to what that means??? Does that mean that all my CS Adobe-RGB jpegs will keep their color profile???
Also implanted one image as an SRGB vs the rest which will all be AdobeRGB
Oddly my color management in CS is almost Flawless. Yet, get me out of CS and I am completely lost!!!! Complicated stuff
Toad, I did want to pass on that AdobeRGB 1998 is a much more robust color profile then SRGB especially when it come to printing on Epson. It might be worth experimenting with and if you really want to get into it there is also
Pro photo RGB which is Huge color space, but a beast to work with
Here is a link
http://www.luminous-landscape.com/tutorials/prophoto-rgb.shtml
Will report back on my book
TF

Embed Color Profile When Saving In Photoshop?

Hi all -
Let's say I am saving a TIFF as a background for a DVDSP 4 menu out of Photoshop. Do I want to have the Embed Color Profile checked or not? How does a make a difference to DVDSP (if it does)? Mine is set to sRGB IEC61966-2.1
Thanks,
Jason

I believe sRGB is the default for most screen-based systems such as DVD studio. You shouldn't notice a significant shift if you stay in this color space in DVD studio. Just make sure it isn't Adobe RGB. This is a very specialized space for advanced Photography for use with hexachrome printing workflows. Monitors and TV's can't reproduce the colors represented in Adobe RGB and it is unwise to make color decisions on such monitors without advanced training on how and why to use wider color spaces such as Adobe RGB. In contrast sRGB is created to be about the same as most monitors ad TV's so what you see is very similar to what will be visible on your target medium.

How to solve the Embed Color Profile problem...

Hi Everyone,
This vijay from Chennai. I have one doubt for rectify the Embed color Profile problem, that's is how can i judges whether the file had Embed Color Profile or not. anyone solve this problem.
Thanks in Advance.
-yajiv

I used another profiles name, because I dont have the old one installed anymore, Youll have to be exact about the letters though.
And from a prepress-standpoint Id like to point out that removing the profile as opposed to »Convert to Profile« seems a peculiar practice, though of course Your reasons for doing so may be valid indeed.
You could try:
var myDocument = app.activeDocument;
if (myDocument.colorProfileName == "U.S. Web Coated (SWOP) v2") {
// =======================================================
var idassignProfile = stringIDToTypeID( "assignProfile" );
var desc2 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var ref1 = new ActionReference();
var idDcmn = charIDToTypeID( "Dcmn" );
var idOrdn = charIDToTypeID( "Ordn" );
var idTrgt = charIDToTypeID( "Trgt" );
ref1.putEnumerated( idDcmn, idOrdn, idTrgt );
desc2.putReference( idnull, ref1 );
var idmanage = stringIDToTypeID( "manage" );
desc2.putBoolean( idmanage, false );
executeAction( idassignProfile, desc2, DialogModes.NO );
else {

Display Color Profile For iiyama HM903DT

I've just been given an iiyama HM903DT monitor but it doesn't want to play with my mac mini
The trouble is this:- If a turn on my mac with the screen powered on my machine creates a color profile for it (from monitor dcc information I suspect). That would be ok if the profile was correct but it's not. On some jpgs and tif files are massively over saturated (for example gingerbread man.tif) yet other jpegs and tifs are fine.
If I start up my mac without the screen turned on my mac defaults to "Display" for color and all is well.
I've check in Universal Access and 'Enhance Contrast' is set correctly, I've also tried using color-sync to no avail......
What can I do to stop this bug it's driving me nuts!!!
thingi

Me too. Snow leopard seems to ruin my 9CA3 screen because the color looks to be washed out.

Please help me find a color profile for Samsung 2343bwx

Hi Everyone,
Im just trying to get started in the graphical design field, I just bought a Samsung 2343BWX Lcd monitor (i know I know TN isnt the best for graphical design but im not rich), the color profile that came with the monitor is defective and displays everythign in a deep yellow tint, Ive tried using samsungs Natural Color Pro monitor profiling software but it results in a really ughly profile that is too dark and has a blueish tint to it.
Samsung's support isnt much help (no sprise there) and I cant afford a spyder or eye-one hardware calibration tool at this point.
Does anyone have or know where I can get a good color profile for this monitor? You have no idea how much I would appriciate it.
Thank you in advance for your help
All The Best

You have a few choices....
1. Use the generic monitor profile supplied with your monitor, the one that came with it when you bought it. This will be generic, and will not account for drift, and probably won't be all that accurate. But, at least it should be in the general ballpark since it represents a cross section of a grouping of similar monitors.
2. Try one of the presets that came with your monitor. I don't know what presets or controls are offered with this monitor, but I would shoot for a color temp between 5000K and 5500K, a 2.2 gamma, and a reasonably dim brightness setting.
3. Find someone who can do a hardware/software calibration, either a friend, or someone who will do it for a fee. This will get it right once (if they know what they are doing), but will not account for drift over the long term.
4. Search online and see if you can find some visual calibration target and do it by eyeball. This is usually not easy to do, and probably won't be satisfactory, but you can give it a try.
5. Buy a calibration package and do it yourself. You should probably calibrate an LCD monitor at least monthly (I do mine weekly). This is the best way to go, at least if you are serious about accurate color. And this doesn't guarantee that your monitor and print will match. For that, you need to calibrate your printer for each type of paper you use, or rely on generic printer profiles. Then, you have to make sure you set everything up properly and utilize all your profiles properly. Sorry, but this is all part of the price you have to pay if you want good color.The fee involves money for the proper tools, education on how to use them, and experience in applying them properly.

How do I get an SVG file to the same color profile as my illustrator file (U.S. Web Coated (SWOP) v2 and what would be the correct color profile for printing on a shirt?

How do I get an SVG file to the same color profile as my illustrator file (U.S. Web Coated (SWOP) v2 and what would be the correct color profile for printing on a shirt?
Thank you.

dadanas wrote:
Hi Simcah, I have a similar problem. Have you found out any solution?
thanks, dan
You need to ask the printing service provider. Dealing with color totally depends on the printing process involved and of course the machines used.

Good Color Profiles for LED 24"?

Does anyone have any good color profiles for the 24" LED? I tried using one I really like on my MBP, but it looks completely different on the 24" LED. I don't really like the standard Cinema color profile - kinda light and washed out.
Anyone?

Go to Colour Display options and choose Calibrate to change the settings?

Kodak Professional paper color profiles for Epson Stylus Photo R2880

Is there a color profile for the Epson Stylus Photo R2880 for Kodak Professional paper (lustre)?

A member of the Brand Management Group responsed. There is no color profile for my printer at this time. However, I was given a profile to try and it worked very well.
Thank you Brand Management Group.
Henry

I can't calibrate any color profile for my iMac's display!

I think I accidentally deleted the color profile for my iMac's display
and now it won't let me calibrate any profile! All the colors are bright and washed out.
When I go to the display>color preference panel I get an error sound whenever I click ANY color profile, and it doesn't load. When I click "calibrate" it gives me the message: "Can not calibrate the display. The factory profile for the display could not be found."
But I wasn't even using the factory profile, and it won't let me choose any other ones, either (though a whole list does show up!)
I tried repairing/verifying the profiles in the ColorSync Utility, but it didn't help.
Is there somewhere I can download the profile and install it? I'm running a white 20" Core Duo 2GHz iMac (summer of 2006), if that helps.
Thanks!

seenew,
I'm wondering if you would have any luck with resetting the PRAM? PRAM settings hold some of the display preferences I believe.
See: "Mac OS X: What's stored in PRAM"
If not, I am wondering if reapplying the Combo update for 10.4.7 might correct the display calibration issue or at least return it to the default?
I don't think that recreating the .plist file for displays will help.
As far as I know you cannot "download" the profile.
sorry if those suggestions don't help,
littleshoulders

Color profile for print

Do I need color profile for print taged in the file?
I need to print some photos at LAB (photo lab) and they print in color space sRGB.
I have created through Adobe Raw a JPEG file, which has untagged color profile.
Is it necessary to have a color profile for a print at photo lab tagged in the file or better not?
Thank you for explanation.

Since you say the printer "prints in color profile sRGB", it sounds as though you should save your images tagged with the sRGB IEC61966-2.1 color profile.
If I'm understanding you correctly "Lab" does not mean "print lab", it's an acronym that describes an alternate color space for representing an image, fundamentally different from RGB. Print houses normally don't expect an image to be sent to them in Lab mode.
http://en.wikipedia.org/wiki/Lab_color_space
In all seriousness, you should ask these questions of their customer service:
1. What format should I provide the image in (JPEG, TIFF, etc.)?
2. Should I tag the image with the sRGB IEC61966-2.1 color profile?
-Noel

Factory color profile for LSN133BT01A02

Hi
I've deleted everything from ~/Library/ColorSync/Profiles (don't ask why, I'm stupid). Now when I try to calibrate monitor it says "The factory color profile for the display cannot be found"
Can I get default factory profile somewhere? MBA 13" Mid 2013
Terminal command
ioreg -lw0 | grep IODisplayEDID | sed "/[^<]*</s///" | xxd -p -r | strings -6
says I have LSN133BT01A02 Color LCD screen.

Seems the profile was /Library/ColorSync/Profiles/Displays/Color LCD-933C106C-08BC-09AA-F750-C2A74A119DEF.icc

Color profile for export in Aperture 3.0.3

Hi
What is the best color profile for exporting in aperture 3.0.3 (specially, if the pictures are used for stock). I normally use the export version TIFF or PNG original. Is ADOBE 1998 or sRGB or something else? In Photoshop I have sRGB.
Thank you for your advice.

Colour Profiles don't have a best one. It is a way of matching colour produced by one type of device so that it is reproduced by another type reasonably well. Allan

Why embed color profiles?

I understand color profiles as translators of the image data for the device to show as it shoudl appear (to me, the human eye)
Why not apply this translation as a conversion (profile tells how the color values shoudl appear, right?) and done with it. Then the monitor should use it's profile to show the file correctly.
The whole idea of "working space" or choosing/applying a profile to an image seems only to apply this translation (the profile).
Why ask? Or why even have an image + profile, when one can simply do image x profile = a single profiled origianl image? In RAW conversion is this not what we are doing? And if so, why have the profile name attached to the file, when it is already converted?
Or did I got it all wrong? When I think I get it, soon I start to see - may be I am not getting it

As this topic (color management) makes me to research and learn continuously, I am curious to understand more about your comment on LAB: "...numerous issues with Lab although the fact it's self defining (until you ask about white point)" What about the white point in LAB? I don't know if that should be another discussion.
In the meantime I got my answers, and a book called "Color Confidence" seems to clarify it well. In fact it has a reddish text box just for the precise question "Why not Lab?" ("why embed profile" is implied in the context). What pinned it well was the statement "Of course, provided a profile is embedded in an image file, the RGB and CMYK values are, in a way, stored as LAB..."
The text can be found in Google books preview: http://books.google.co.in/books?id=XprFp9u4lcAC&q=why+not+lab
what appeals to me now, is this:
The intention is to give real world colors and consistently accross devices (with different color spaces)
To achieve it, it is done through profiles
Original digital image (RGB or CMYK) are easier to edit as RGB or CMYK (user friendly to move those sliders of R G and B) than LAB sliders (are there sliders in LAB? I have not explored)
Though one could have untagged files, adding a profile tries to dictate some consistency to them for further use/editing. If that was not fixed for the digital image, it will be free for each app to use any color profile and make colors look different each time. I am not even talking of display and print profile here, assume they were all set.
My botheration has only been the first step of digital image. Not display and print profiles, that is, why is the original digital not converted to LAB? Now it becomes clear.

Embed color profile for Spot Multichannel

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