Change RGB to CMYK in InDesign CC
I can't find the option in the swatch panel anymore. How can I change the colors to CMYK?
The option is still there in the same place, it's just when you click on the swatch options and go to colour mode RGB looks as though it's sitting at the top of the pallette, however you just need to scroll up to reveal the other colour options
Similar Messages
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Why does Illustrator automatically change RGB and CMYK values
Hi, I am struggling to understand why Illustrator is changing the values inside the RGB and CMYK boxes. I am also not sure of the exact relationship between these values. Essentially, it appears that if you set the Document Color Mode to RGB, it leaves the RGB values that you type in alone. If you set the Document Color Mode to CMYK, it leaves the CMYK values alone.
But as soon as you change the Color Mode, it automatically modifies the values. So if you were in RGB mode and you set some RGB values, it changes those RGB values when you switch to CMYK mode. And vice versa.
I had thought that the CMYK palette was a subset of the RGB palette. It would make sense to me if it did this when I switched from RGB to CMYK mode, but it doesn't make sense to me why it does this when I switch from CMYK to RGB mode.
The other thing I am confused about is the relationship of the values in the RGB boxes to the values in the CMYK boxes. I would have thought that the relationship between them would be static. Actually, it is not. When I am in CMYK mode and I enter a CMYK value of 90 16 0 0, the RGB values become 0 158 222. But when I switch over to RGB mode, the RGB values of 0 158 222 result in CMYK values of 75 23 0 0.
Very confusing.
Thanks in advance if you can explain this behavior!
Best Regards,
Z.Color management.
Hi, I am struggling to understand why Illustrator is changing the values inside the RGB and CMYK boxes. I am also not sure of the exact relationship between these values. Essentially, it appears that if you set the Document Color Mode to RGB, it leaves the RGB values that you type in alone. If you set the Document Color Mode to CMYK, it leaves the CMYK values alone.
An Ai document can be either RGB or CMYK. The colors follow the document color mode and thus are converted immediately if they don't match.
But as soon as you change the Color Mode, it automatically modifies the values. So if you were in RGB mode and you set some RGB values, it changes those RGB values when you switch to CMYK mode. And vice versa.
Same reason.
I had thought that the CMYK palette was a subset of the RGB palette. It would make sense to me if it did this when I switched from RGB to CMYK mode, but it doesn't make sense to me why it does this when I switch from CMYK to RGB mode.
It's not. CMYK color spaces (there are more than just one) are normally smaller than RGB color spaces, but they aren't a "subset".
The other thing I am confused about is the relationship of the values in the RGB boxes to the values in the CMYK boxes. I would have thought that the relationship between them would be static. Actually, it is not. When I am in CMYK mode and I enter a CMYK value of 90 16 0 0, the RGB values become 0 158 222. But when I switch over to RGB mode, the RGB values of 0 158 222 result in CMYK values of 75 23 0 0.
When Illustrator converts the colors, it uses color management: the profiles you set up and the methods you set up. After converting it forgets the color that used to be. When converting "back", it uses color management again.
When you convert an very bright RGB color, it be out of the CMYK gamut. So it get's converted to the closest possbile CMYK color (which might still be far away from the original color. But it's not possible to convert it "back" to the bright one unless you just revert the conversion (by Cmd/Ctrl + Z). -
Best results when changing RGB to CMYK
Hi There,
How can I get the best results when converting a RGB to CMYK? For example, a tif visual when offset printing... Is there any programme, plug in, machine for this?
Many thanksI agree with Marco U.
I might have said: only use Perceptual if an extremely important color in a photo changes terribly using Relative Colorimetric -- otherwise use that. The reason: The former method can make the whole picture shift (usually yellower and weaker) but the latter can make several distinctly different colors (like 3-5 different reds for example) and make them the same. Usually, one or two really strong colors can get shifted somewhat, but won't be noticeable in an otherwise great looking image.
The secret to converting for good print color is to choose the source and target correctly.
If you are serious about color, buy the book "Real World Color Management" by Bruce Fraser, Chris Murphy and Fred Bunting.
http://www.amazon.com/Real-World-Color-Management-2nd/dp/0321267222/ref=pd_bbs_sr_1?ie=UTF 8&s=books&qid=1198178251&sr=1-1
Sadly, Bruce Fraser passed away, so the book may not go to a third edition.But you can still get the second edition and the first 5 or 6 chapters are an education in themselves. -
Changing RGB to CMYK in elements 9
Can I change from RGB to CMYK in photoshop elements 9? Very confused!
http://forums.adobe.com/message/4194849#4194849
It's the same for PSE 9. -
my document is in cmyk but when i want to select a colour it only allows me to select rgb colours, how can i change my colour remetrix space in cmyk
thank youWith the Color panel active, click on the small triangle in the upper right to reveal the Options. Make sure that the CMYK line is checked like this
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Why do the relative values of RGB and CMYK change when switching between Photoshop and InDesign?
I'm trying to put together a Colour Guide for my company's brand guidelines.
I initially worked from InDesign and wrote down all the H, RGB, and CMYK values that I got when I eye-dropped my original colour palette.
However when I put the same RGB values into Photoshop- I am given a (slightly) different set of CMYK numbers from those that I had originally documented in InDesign.
Why is this???Jamie,
in Photoshop go to Edit > Color Settings and choose your parameters:
For RGB: sRGB or AdobeRGB (1998)
For CMYK: the process as recommended by your printer (person, company)
For offset printing this is here ISOCoated-v2-eci and elsewhere for instance SWOP.
For digital printing you should ask the company as well.
For Grayscale: Gray Gamma 2.2
For Spot: probably irrelevant in the moment. Dot Gain 20%
Everything as shown here:
For your application I've modified my settings a little, therefore we can see top left 'unsynchronized'.
In InDesign do practically the same, but there are no settings for Grayscale.
You'll find for any topic explanations if you move to by mouse (position the pointer over ...).
The field 'Settings' shows not 'Custom' but the file name of a configuration which had been previously saved
and then loaded (buttons top right).
Further explanations on request. It would be quite useless to explain everything now at the same time.
The colors will be wrong if the settings are not synchronized. Above they are explicitly synchronized.
Because Bridge was not used, the system considers them as 'not synchronized', which doesn't matter.
Best regards --Gernot Hoffmann -
Specific Colour changing Script from RGB to CMYK
I need to change the RGB values (imported from word) to specific CMYK values in Indesign (its not a straight swop) so I need a script or a similar plug-in that enables me to input the colour values for the CMYK so they automatically change.... the doc i work on is huge and im importing from a word file many times so i need to save time!!
Can anyone help me?
Thank you!Hi Phil... Hmmm not sure if i explained myself! Or maybe I am being thick.... I tried the new code but im not sure I was clear on my problem?
This is the current code i use to change the RGN values to the CMYK is: I have entered the RGB and CMYK values as they need to be changed and it works but the swatch pallette ends up looking messy! See below.
var myIDOc = app.activeDocument;
var mySwatch = myIDOc.swatches;
for (var j=4; j<mySwatch.length; j++){
try{
if(mySwatch[j].space ==ColorSpace.RGB){
if(mySwatch[j].name=="Word_R122_G75_B153"){// may be this is correct you can check the indesign swatches name
mySwatch[j].model=ColorModel.PROCESS;
mySwatch[j].space = ColorSpace.CMYK;
var myCV = mySwatch[j].colorValue=[48,72,0,0];
mySwatch[j].name = "C=" + myCV[48] + " M=" + myCV[72] +" Y=" + myCV[0] + " K=" + myCV[0];
}catch(e){alert(e)}
var myIDOc = app.activeDocument;
var mySwatch = myIDOc.swatches;
for (var j=4; j<mySwatch.length; j++){
try{
if(mySwatch[j].space ==ColorSpace.RGB){
if(mySwatch[j].name=="Word_R255_G0_B255"){// may be this is correct you can check the indesign swatches name
mySwatch[j].model=ColorModel.PROCESS;
mySwatch[j].space = ColorSpace.CMYK;
var myCV = mySwatch[j].colorValue=[0,100,0,0];
mySwatch[j].name = "C=" + myCV[0] + " M=" + myCV[100] +" Y=" + myCV[0] + " K=" + myCV[0];
}catch(e){alert(e)}
var myIDOc = app.activeDocument;
var mySwatch = myIDOc.swatches;
for (var j=4; j<mySwatch.length; j++){
try{
if(mySwatch[j].space ==ColorSpace.RGB){
if(mySwatch[j].name=="Word_R0_G0_B255"){// may be this is correct you can check the indesign swatches name
mySwatch[j].model=ColorModel.PROCESS;
mySwatch[j].space = ColorSpace.CMYK;
var myCV = mySwatch[j].colorValue=[100,0,0,0];
mySwatch[j].name = "C=" + myCV[100] + " M=" + myCV[0] +" Y=" + myCV[0] + " K=" + myCV[0];
}catch(e){alert(e)}
var myIDOc = app.activeDocument;
var mySwatch = myIDOc.swatches;
for (var j=4; j<mySwatch.length; j++){
try{
if(mySwatch[j].space ==ColorSpace.RGB){
if(mySwatch[j].name=="Word_R255_G255_B255"){// may be this is correct you can check the indesign swatches name
mySwatch[j].model=ColorModel.PROCESS;
mySwatch[j].space = ColorSpace.CMYK;
var myCV = mySwatch[j].colorValue=[0,0,0,0];
mySwatch[j].name = "C=" + myCV[0] + " M=" + myCV[0] +" Y=" + myCV[0] + " K=" + myCV[0];
}catch(e){alert(e)}
var myIDOc = app.activeDocument;
var mySwatch = myIDOc.swatches;
for (var j=4; j<mySwatch.length; j++){
try{
if(mySwatch[j].space ==ColorSpace.RGB){
if(mySwatch[j].name=="Word_R0_G0_B0"){// may be this is correct you can check the indesign swatches name
mySwatch[j].model=ColorModel.PROCESS;
mySwatch[j].space = ColorSpace.CMYK;
var myCV = mySwatch[j].colorValue=[0,0,0,100];
mySwatch[j].name = "C=" + myCV[0] + " M=" + myCV[100] +" Y=" + myCV[0] + " K=" + myCV[100];
}catch(e){alert(e)}
var myIDOc = app.activeDocument;
var mySwatch = myIDOc.swatches;
for (var j=4; j<mySwatch.length; j++){
try{
if(mySwatch[j].space ==ColorSpace.RGB){
if(mySwatch[j].name=="Word_R234_G229_B255"){// may be this is correct you can check the indesign swatches name
mySwatch[j].model=ColorModel.PROCESS;
mySwatch[j].space = ColorSpace.CMYK;
var myCV = mySwatch[j].colorValue=[8,10,0,0];
mySwatch[j].name = "C=" + myCV[8] + " M=" + myCV[10] +" Y=" + myCV[0] + " K=" + myCV[0];
}catch(e){alert(e)}
The outcome is the swatch pallette attached:
How do I incorporate the new code to make sure all the values are hopefully to end up looking similar to this!!??
Thanks for all your time and effort helping me!
babeanz -
How do I find out if a photo in iPhoto is RGB or CMYK color? How do I change from RGB to CMYK?
How do I find out if a photo in iPhoto is RGB or CMYK color? How do I change from RGB to CMYK?
Open the file with Preview, type Command + i to bring up the Info pane and it's color mode and profile will be listed as shown here:
To change the color mode to CMYK you'll need a 3rd party image editor like Photoshotp or GraphicConverter to do it. Why do you need CMYK?
OT -
How to change the document color mode(RGB to CMYK)?
Kindly advice me how to change the document color mode(RGB to CMYK) via scripting in "illustrator cs3".
Thanks.Somebody wrote and posted this a couple of years ago.
// Duplicate the selection from the active document into a new document.
// To invoke the JavaScript debugger, remove comment delimiters
//$.level = 1; debugger;
var newItem;
var docSelected = app.activeDocument.selection;
if ( docSelected.length > 0 ) {
// Create a new document and move the selected items to it.
var newDoc = app.documents.add();
if ( docSelected.length > 0 ) {
for ( i = 0; i < docSelected.length; i++ ) {
docSelected[i].selected = false;
newItem = docSelected[i].duplicate( newDoc,
ElementPlacement.PLACEATEND );
else {
docSelected.selected = false;
newItem = docSelected.parent.duplicate( newDoc,
ElementPlacement.PLACEATEND );
else {
alert( "Please select one or more art objects" );
It should give some ideas about how to proceed. -
I would like to design a poster, when I place my photos on the page
under the "links" "colour space" section it says the colour space is RGB not CMYK even though my document is set up as CMYK. Can/do i need to change this? i am worried it will be a problem when my poster goes to the commercial printers who want CMYKYes, it will be a problem. Convert the images in Photoshop using the printer's color profiles or a standard CMYK profile.
Mylenium -
Eyedropper tool RGB and CMYK help!
When I try and sample a color from a graphic imported with the eyedropper tool, it automatically creates the swatch as RGB. The imported graphic is CMYK and the document color mode is CMYK. The InDesign file is set for Print.
Please help. I hate having to select a swatch and then have to change it to CMYK every time!For placed ai and pdf files the preview proxy is always RGB so the eyedropper gets RGB values. With image files the eyedropper will return the actual pixel color. If you are trying to get an exact match to the placed vector file's CMYK values, converting the proxy RGB values to CMYK won't work because the color will be a color managed conversion from RGB to CMYK.
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Is there a way to change the color makeup of ads from rgb to cmyk? I was not the creator of these ads for my newspaper but the printer needs me to change them and get rid of the built black. So, I guess I just need to change the black to pure black.
switch to CMYK color, add a Selective Color adjustment layer and change the Blacks
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Hi Guys
In previous versions - changing from RGB to CMYK or vice versa would change the colours slightly but ever since CC when I change one to the other my white
goes brown and there is a yellow tone to the image.
Has anyone else experienced this - it's not slight either see image. I haven't adjusted anything - the original CMYK is on the left and
when I make it RGB - it goes brown.
Has anyone else had this issue?I'd try a new display profile first. Recalibrate, or if you don't have a calibrator use sRGB (or Adobe RGB if your display is wide gamut).
Everything in Photoshop passes through the display profile. If there's a problem with the profile it can happen that one conversion goes bad but not another.
On Windows a common cause for this is bogus manufacturer profiles pushed through Windows Update. Mac isn't as susceptible to this, but there you have an added complication called ColorSync (which is where the actual profile conversions are done). So if a new profile doesn't fix it, you probably need someone with Mac OS X expertise. -
RGB to CMYK gives me a white glaze? how to get rid of it
In photoshop cs5 when i convert an image i am working on from RGB to CMYK i get a white glaze over the image? as if i have added a photo filter or something? do you know how to prevent this on a mac computer?
Apple Custard Studios wrote:
…yes i can see that it is broke, but if you look in your last post the before image is in there for some reason, and the after picture is at the top in the earlier discussions.
Sorry, I don't understand what you're trying to say here. How can the "before" image be in any post of mine if I have never been able to see it?
The image I posted in my post, was your "after" image CORRECTED by me as explained in that post:
"Converting it to sRGB and setting the black and white points via a quick Auto Levels adjustment, brings about an improvement."
In other words, I downloaded your "after" image, opened in Photoshop, went to the Edit menu and used Convert To Profile to convert it to the sRGB color space, then I ran and Auto Levels adjustment. That's how I fixed your mess.
Apple Custard Studios wrote:
Hi station_two
…When i convert from rgb to cmyk, i SIMPLY GO: Image > mode> then click cmyk?…
Geebus Chrysler! No, that is indeed not just "primitive" but totally wrong. Go to the CONVERT TO PROFILE menu item in the Edit menu in Photoshop, and from that menu select the specific CMYK profile you want (or your printer requests). Be careful to select CONVERT TO PROFILE, do not under any circumstances choose "Assign Profile"! Converting to the appropriate CMYK profile will also automatically change the image mode to CMYK mode.
Apple Custard Studios wrote:
…which i am unsure it it may mean i have wrong profiles set, but if so what would i need to change it to?…
Apple Custard, it's obvious that you have no clue as to what Color Management is, and teaching you Color Management step by step here exceeds the scope of what can be accomplished in a forum. A good place to start reading up on it is here:
http://www.gballard.net/psd/cmstheory.html
In a nutshell: Your Monitor profile should be the file resulting from your calibrating and profiling your monitor with a hardware calibrator puck. Calibrate and profile your monitor regularly and often. Your monitor profile thus will be device-dependent, specific to your monitor.
Your working space, on the other hand, should be a device-independent profile, such as Adobe RGB or sRGB. It should NEVER, ever be your monitor profile.
Your target profile when printing should be device-dependent and specific to the combination of ink, paper and printer model you'll be using. For the web, create a copy of your image file and convert it to sRGB, then save it as a JPEG as needed.
Good luck! -
RGB to CMYK (channels) with PixelConduit plugin
As I'm unable to submit a user tip yet, I thought I'd share my solution here for anyone looking to simulate CMYK channels in Motion/FCPX.
PROBLEM
For some reason you want to convert your RGB source clip to extract individual CMYK (Cyan, Mangenta, Yellow, blacK) channels. For example you'd want to simulate the printing process of a book on a printing press.
SOLUTION
Use a free FCPX/Motion 5 plugin caled PixelConduit, a node-based visual effects design system. Install the plugin before launching Motion.
To extract CMYK channels, I used a (linear) RGB to CMYK formula:
Black = Math.min( 1 - Red, 1 - Green, 1 - Blue )
Cyan = ( ( 1 - Red ) - Black ) / ( 1 - Black )
Magenta = ( ( 1 - Green ) - Black ) / ( 1 - Black )
Yellow = ( ( 1 - Blue ) - Black ) / ( 1 - Black )
and translated it to PixelConduit's nodes.
Clone your source clip four times. Call the clones 'Cyan', 'Magenta', 'Yellow' and 'Black'. Navigate to Library > Filters > Conduit Effect System, choose Conduit and apply it to each clone layer. In Inspector, click 'Show Conduit Editor' and assemble the following node tree for each layer:
K (black) layer:
C (cyan), M (magenta) and Y (yellow) layers are identical except the first channel selection:
So, for M and Y layers change the 'Separate RGBA' node to output the green and blue channel respectively. You can copy/paste the whole node tree between intances of the filter so you don't have to create everything again from scratch.
You should now have four layers outputting a simulation of C, M, Y and K channel in greyscale. If you'd like to present these channels in colour you'd need to add Colorize filter to each clone layer:
And finally, if you use Multiply Blend Mode for each clone layer group you'll get a pretty close colour composition to the original source clip! By fine-tuning colour values in Colorize filters and/or tone curves in Conduit you could probably get a perfect conversion.
Colour values used in Colorize filter:
Remap White To:
1, 1, 1 (all)
Remap Black To:
0, 0.61, 0.89 (cyan)
1, 0, 0.5 (magenta)
1, 0.95, 0 (yellow)
0, 0, 0 (black)
That's it! Hope it can help anyone :^)As I'm unable to submit a user tip yet, I thought I'd share my solution here for anyone looking to simulate CMYK channels in Motion/FCPX.
PROBLEM
For some reason you want to convert your RGB source clip to extract individual CMYK (Cyan, Mangenta, Yellow, blacK) channels. For example you'd want to simulate the printing process of a book on a printing press.
SOLUTION
Use a free FCPX/Motion 5 plugin caled PixelConduit, a node-based visual effects design system. Install the plugin before launching Motion.
To extract CMYK channels, I used a (linear) RGB to CMYK formula:
Black = Math.min( 1 - Red, 1 - Green, 1 - Blue )
Cyan = ( ( 1 - Red ) - Black ) / ( 1 - Black )
Magenta = ( ( 1 - Green ) - Black ) / ( 1 - Black )
Yellow = ( ( 1 - Blue ) - Black ) / ( 1 - Black )
and translated it to PixelConduit's nodes.
Clone your source clip four times. Call the clones 'Cyan', 'Magenta', 'Yellow' and 'Black'. Navigate to Library > Filters > Conduit Effect System, choose Conduit and apply it to each clone layer. In Inspector, click 'Show Conduit Editor' and assemble the following node tree for each layer:
K (black) layer:
C (cyan), M (magenta) and Y (yellow) layers are identical except the first channel selection:
So, for M and Y layers change the 'Separate RGBA' node to output the green and blue channel respectively. You can copy/paste the whole node tree between intances of the filter so you don't have to create everything again from scratch.
You should now have four layers outputting a simulation of C, M, Y and K channel in greyscale. If you'd like to present these channels in colour you'd need to add Colorize filter to each clone layer:
And finally, if you use Multiply Blend Mode for each clone layer group you'll get a pretty close colour composition to the original source clip! By fine-tuning colour values in Colorize filters and/or tone curves in Conduit you could probably get a perfect conversion.
Colour values used in Colorize filter:
Remap White To:
1, 1, 1 (all)
Remap Black To:
0, 0.61, 0.89 (cyan)
1, 0, 0.5 (magenta)
1, 0.95, 0 (yellow)
0, 0, 0 (black)
That's it! Hope it can help anyone :^)
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