Photoshop :: Blacks To Specific Cmyk Values
Apr 14, 2008
I have line drawings in a layout that I scanned in. I'd like them to be the same or close to the black cmyk value of the text in the document. I'm not sure how to accomplish this. I tried channel adjustment and replace color,
putting in the specific value I wanted (I read that c50 m40 y40 k100 was a good black for print), but nothing seems to work correctly. I would like to keep some kind of greyscale value (not make everything black), but I want the darkest shade to be that specific cmyk value. How do I do this?
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May 10, 2011
Having an issue with CMYK 100%-K value getting reconfigured on PDF/X-3: 2003 (ISO 15930-6) CMYK Export to values like:
C - 74.06%
M - 68.29%
Y - 66.57%
K - 89.83%
When working in the xar file, the CMYK for black is:
C - 0%
M - 0%
Y - 0%
K - 100%
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Nov 30, 2012
I have a client who asked for a SPECIFIC shade of blue which happens to be 100,70,0,0. Now I know my screen will never show the exact color, always shows lighter. This part is ok. But I go and change the values on the color picker, and then 10 minutes later when I come back to it, the values changed to 95,65,1,0. Why would this happen, it KEEPS happening and not just one one color, on ALL OF THEM, it just changes the numbers slightly fromw hat I put in.
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Feb 13, 2013
I have a photo of an object on a black background, and during the editing process the cmyk values of the black background are c=75 m=68 y=67 k=90. As this image is to be placed on a business card, if it is possible to change the values to 100% K or 40% C 100 %.
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Jul 16, 2013
I'm working in Photoshop CS 5.5 on a Mac, and I want to apply a specific CMYK color to a selection in an image. I create the color with the values C=0, M=100, Y=100, K=10 and add it to my color swatches. Then I select the section of the image where I want to apply the new color and fill it with the paint bucket. The color fills the section just fine and life is good. But then when I roll over the section with the eyedropper to double-check the CMYK values in the Info window, it shows that they've inexplicably shifted to C=9, M=100, Y=100, K=1.
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Dec 19, 2012
When placing a .psd file with a spot channel into illustrator, and then later copying this and pasting back into Photoshop the color shifts.
Original Photoshop spot color channel (0/100/81/16)
Color after pasting back into Photoshop (13/99/88/4)
We are making renders of packaging, so the designs are from illustrator. We correct this by removing the Photoshop spot channel and recreating this as a CMYK layer, but looking to avoid this step as we do many many renders. Even with assign color profile set to none this happens.
Viewing Photoshop channels you can see a difference in values between the linked image and illustrator flat tint.
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Jun 19, 2013
I have a file from a client that has a table with the color values recorded as CMYK. (e.g. 50, 0, 10, 0)
I'd like to display the colors but I can only figure out how to do it if it's in the 256 color format. Is there a way for me to convert CMYK color values to a 256 color value. I realize the hues/colors won't be perfect, and I'll be happy with colors close to what the original data was using. Maybe there's a way to go from CMYK to RGB, and then to 246?
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Mar 26, 2013
I want a script that can convert RGB value to CMYK values.
I've seen this thread which explains a script to round up and down:
[URL].....
but is there a script that i can actually define lets say the colour is yellow and in RGB it looks ok because its in RGB mode so you change it to CMYK and you have 6% - 9% cyan and you only want yellow
is there a script out there that i can say
if
cyan = 6%
yellow = 80%
magenta = 0%
black = 0%
then change to
cyan = 0%
yellow = 80&
mangenta = 0%
black = 0%
I don't mind writting the code for each colour that needs to be converted as it would only need defining once but how would i make this script?
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Jul 2, 2012
When I use a Pantone color in CS5 and then convert to process, I get certain values for CMYK. However, when I use that same Pantone color in CS6 and convert to process, I get different values for CMYK.
For example, Pantone 2685C converted to process in the both applications yields:
(CS5) C-96, M-100, Y-0, K-10
(CS6) C-90.73, M-100, Y-30.6, K-16.54
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Mar 10, 2014
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 vaues. 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.
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Mar 24, 2013
I made a simple poster using photoshop to make the background and illustrator to make the fonts and some other stuff. In CMYK my black is just 100% K ( in photoshop)
When placing image in illustrator the 100% K (black) changes to different black with C M Y added. But then when I save it as PDF the preview shows black as a bit grey (which is something normal- in print it will be just black). So my question is .. should I change enything just to be able to see a 100% K in illustrator in order to match CMYK values of Photoshop? Or should I leave it this way? I guess if I am getting a "grey" in PDF preview is something good isn'it? because in photoshop when I set to 100%K in my screeen it looks like grey and not total black.
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Jan 18, 2014
I've had this problem before, and it randomly popped up again today.
This time restarting Ai fixed the issue the first time. I just don't know if this was human-error/setting on my end, or a minor bug to report.
So I create a CMYK Ai doc. Create some black text and/or shapes. Then decide to change color to rich black by manually entering CMYK values (in this case, 60, 40, 40, 90), select ok. However, the colors revert back to original percentages (75, 68, 67, 90).
In past versions, it's happened once or twice, and restarting Ai didn't solve the first time.
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Apr 15, 2013
why change the CMYK values of a color when converting to spot color in a color chart
xmp C 0 M 90 Y 100 K 0
to C0 M 87 Y 89 K 0
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Apr 3, 2013
I'm trying to bind the number keys to specific values for opacity/transparency of brushes, so I embarked for the shortcut key editor where I found that the "set transparency" does exactly the same as "completely transparent".
Is there a way to define what value "set transparency" sets it to? what I'm trying to do even possible with GIMP?
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Feb 19, 2012
Via VBA macro, some way of getting RGB/CMYK color values of a bitmap pixel by pixel?
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Dec 7, 2011
I've had a simple lisp I've been using for years that suddenly disappeared. It required that you identify a block name, tag name, and the value that you want the tag to be. All of this is performed via command line, so it is scriptable. Since I lost it, I've been experimenting with -attedit. This command comes frustratingly close to what I'm looking for, except it only appends an existing tag, or replaces a specific string within the tag; I can't get it to replace the entire tag, regardless of its value.
1> Any lisp routine that does what I describe?
or
2> How to make -attedit replace a tag value without regard to what the value currently is (like a * wildcard)?
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Feb 4, 2013
edit the blacks?
here is a sample[URL]...
and here there is [URL]...
the same sample with power retouche black definition i tried curve , luminocity mask , but i can't get the same results
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Jan 1, 2009
If I mix a rich black using the CMYK colour picker, set it as the default foreground colour, will that black be used for printing? I am just not sure that for printing PS does not just use a 100% K.
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Mar 15, 2013
I'm trying to show, using the eyedropper tool, the actual values of pixels in an 8-bit grayscale image (Mode command confirms that's what's there). In the Info panel, the eyedropper tool displays percentages for every type of color information (K, CMYK), while the "8-bit" field remains blank.
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Jul 17, 2012
How can i accentuate whites and blacks in Photoshop in black and white photos? i tried silver evef 2 and there is a feature to boost whites and blacks
[URL].........
levels and curves don't give me the same results. I tried to create a luminosity mask of whites with selective color. Is there a great skill to boost whites for example?
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Apr 16, 2013
a colleague has been working on a website and the below images show the files and colours they should be, but he has opened the files up again yesterday and the files show as per the second image (the colours have changed from blues to all black but with edges defined). The document was originally created in CMYK and brought from a PDF (I know, but it wasnt us!) so there may be some legacy there, but the only thing we could think of was a colour gamut or web colour warning, but changing those didn't seem to make a difference.
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Dec 10, 2013
I edit a photograph from a Camera Raw file to high contrast, grainy black and white, then when I try to flatten it or save it, it washes all the contrast out completely. When I try to merge layers, flatten image or cmd+opt+e/cmd+opt+shift+e to a new file it does the same thing. Here's what I've tried to correct the issue:
-I've tried saving it as a PSD file, a TIFF, a JPEG and a BMP file
-I've tried calibrating my monitor (X-Rite i1 Pro)
-I've tried soft proofing on and off (left off for now)
-I've tried resetting my colour settings to import files into the working space as ProPhoto & Adobe RGB 1998
-I've tried setting the import as the calibrated settings for the screen rather than ProPhoto or Adobe RGB 1998
-I've checked that all files (apart from a Dodge/Burn Layer which has to be on Soft Light never affected any files before) were set to normal
-I've tried converting profiles from ProPhoto to Adobe 1998, Adobe 1998 to sRGB
-I've tried going to preferences in User>Me>Library>Preferences>Adobe Photoshop CS6 Settings and manually resetting all relevant references
-I've tried flushing and resetting all preferences
-I've tried to uninstall and install Photoshop SC6 from scratch
-I've tried restarting the image from the raw file with the new install of CS6, done all the edits again manually...
And it still does the same thing. Whenever I have adjustment layers on my file and have some contrast added that I want to save, it flattens the whole image out..The last attachment is what it looks like in photoshop and another with my colour settings for the (calibrated) screen
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Nov 8, 2003
obtaining good blacks with epson 2200 printer
My blacks are rather warm
Is there anything I can do in channels to get a true black.
rgb prins a bit darker B and W
greyscale mode is a bit lighter
but still to the discerning eye they seema bit magenta toned
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May 6, 2011
I am doing a product shot, and the company's spec sheet advises that the brightest (or maybe lightest??) whites be 240, and the blacks around 30. I think this has something to do with levels, and not having blown-out whites or clipped blacks, but how do I check that those are the levels in my final proofs?
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Apr 14, 2008
I know if you Control Click on the RGB channel in the channels palette that
you basic select all of the whites in the image. Is there any way to do this
for the blacks and mid-tones? If no, does any one know of a way to do this
(plug-in, etc.)?
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Sep 17, 2013
In a file with several layers, my monitor temporarily blacks out when adjusting colors in a Selective Color adjustment layer. Is there a solution?I changed the Advanced Graphics Processor Settings to "Normal" from "Advanced." Seems better but am I losing performance?
Adobe Photoshop Version: 14.1.1 (14.1.1 20130910.r.414 2013/09/10:23:00:00) x64
Operating System: Windows 8 64-bit
Version: 6.2
System architecture: AMD CPU Family:15, Model:1, Stepping:2 with MMX, SSE Integer, SSE FP, SSE2, SSE3, SSE4.1, SSE4.2
[code]....
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Jul 18, 2013
I have an attribute blocks and this att block has two tag values , is there a simple code for to change 1st tag values automaticly according to 2nd values ?
for example :
1st tag (50x50) - 2nd tag ( 100 ) ==> 50x50-100
if i enter 201 valuse to 2nd tag then 1 st tag has to change as 100x100
if i enter 501 valuse to 2nd tag then 1 st tag has to change as 150x510
I attached a jpg file for explain much better
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Apr 18, 2013
Is there a way to have no layer value set for the description keys. I set all the layers, and now I realize I'd rather set this to no layers (boxes are all unchecked). I'd rather see no value under the layer column, but there doesn't seem like a way to set this.
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Oct 25, 2013
I have a clipart that a friend drew for me that is black and white. I scanned it, added to it and saved it as a .psd. I used a reduced size clipart to add some color. I than decided to add color to the full sized clipart using the bucket tool. The color picker will not allow me to choose any color other than blacks, grays, or white. It worked fine with the first clipart but nothing after. I tried in Elements 6 and just purchased Elements 12 hoping that would be the ticket.
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Jun 3, 2013
I'm on Illustrator CS5 and I am exporting to PDF. My blacks are coming out grey although my settings for Appearance of Black are all set for rich black on both On Screen and Printing/Exporting. I have tinkered with both settings Display All Blacks As Rich Black and Display All Blacks Accurately, I've also tried messing with the color swatches with different blacks and I get nada!
Blacks still look grey on export and print grey.
My document is set to CMYK and on the Save Adobe PDF dialog, I go to Output and set my Destination to Document CMYK—U.S. Web Coated (SWOP) v2. I've turned this off and on and exported multiple ways—nada!
Blacks still look grey on export and print grey.
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Dec 21, 2012
Can AUTOCAD sum values that are entered as text values? Attached is a table text whose right final values should be all sumed up? Is this possible inside AUTOCAD?
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