Questions tagged [cmyk]

Questions about CMYK; short for cyan, magenta, yellow and key(black). It's the colour process and model used for colour visualisation in colour printing. Ask anything relevant to graphic design about the CMYK colour model.

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43 views

Conversion from CMYK to RGB - everything becomes greener (sometimes)

I am working with a publisher (Oxford University Press) and they require images to be supplied as CMYK. That's ok - Colour accuracy isn't 100% important. I prepare my figures using RGB, then convert ...
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6answers
3k views

where does black come from in CMYK color mode?

I don't understand how black can be added in CMYK color mode. So green is made up of 85% cyan, 14% magenta, 100% yellow and 2% black. But I thought black is created by combining 100% of cyan, magenta ...
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1answer
86 views

InDesign: Convert RGB to CMYK for clean gray colors

When I convert gray color swatch from RGB to CMYK InDesign transmit that as a mix of C, M, Y, K. How can I convert that values to K only? The goal is to get clean gray colors on print output. ...
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4answers
76 views

InDesign: how to link PNG files for CMYK printing

I have an issue with PNG FIles in Indesign and could not find an answer anywhere...maybe I am stupid. I placed various PNG Files with transparent background in INDESIGN = good. When I export as PDF ...
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1answer
61 views

How to correctly save a file to CMYK and PMS formats?

I finished my new logo and always I make a logo, I pick CMYK format, thinking on print and vector first. I created a color scheme using Adobe Color by setting up the HEX values. As you may know, Adobe ...
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5answers
5k views

Why is CMYK & PNG not possible?

I needed to convert an image to PNG format so I have a transparent background. Unfortunately, CMYK isn't supported by the PNG format. I just wanted an image with a clear background so I can have that ...
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2answers
41 views

How to batch change all instances of pure CMYK white to a shade darker for printing

We are a printing company that transfers RGB to CMYK. However when printing CMYK White comes out as transparent (which makes a lot of our art look...not great). We are handling thousands of designs so ...
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1answer
94 views

How to fix ink coverage over 320%

When preflighting a magazine advert, I am getting a warning about ink coverage being over 320%. The problem is that the colours causing this are in an image with a green filter. Unfortunately I cant ...
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1answer
69 views

Can the RGB Colour Space recreate all colours within the CMYK Colour Space?

The obvious answer, to me, is that the RGB Colour Space is capable of reproducing the CMYK Colours; for the simple fact that the CMYK Colour Space is fully consumed within the RGB Colour Space as ...
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3answers
53 views

How should Colour Ranges, that exceed 4 colours, be referred to?

I am aware that CMYK is a Colour Gamut used for Printing, representing the following colours: C: Cyan; M: Magenta; Y: Yellow; K: Black. What I have not come across are standard terms used, when ...
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2answers
59 views

Would a 5+ Colour Printer output any noticeable improvements on Prints of Artwork captured by Camera/Scanner?

I wish to create reproductions, of various pieces of Artwork I have created; using a variety of Paints. The obvious first step would be to create a digital copy using a Camera or Scanner etc. Once a ...
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5answers
3k views

Is there a loss of quality when converting RGB to HEX?

The graphic designer sent me the colors in RGB, I know I can convert to hex easily, but last time I tried to do that, RGBA to HEX on another website I noticed a slight difference so I ended up using ...
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4answers
109 views

Better way to handle colors for printing

I am paper bag manufacturer, on daily basis we are dealing with graphic designers and printing operators. Often I am receiving orders for 2-color or 3-color printing. I conveyed the same message to ...
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2answers
267 views

Editing photos for CMYK printing

This question is a follow-up on this earlier question here As I am attempting on printing a photo-magazine in black and white, I am losing rich blacks in my photos when converting them to CMYK and ...
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1answer
71 views

Print deep blacks in CMYK photo magazine

I am very much a novice when it comes to working with printing and colour values and I am using InDesign for the first time. I am working on an all black and white photographic magazine, which will ...
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2answers
504 views

Converting an RGB image to CMYK with a specific black? (Photoshop)

I would like to convert a lot of RGB images to a CMYK where the black is 20, 20, 20, 100. By making a custom CMYK and using separation type GCR and 22% UCA I can get pretty close. But I can see on ...
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4answers
1k views

Converting from CMYK to RGB (to work with it), then back to CMYK

I am trying to make designs for printable products (shirts, mugs, phone cases, ...). I heard about the issue of the RGB and CMYK colors when printing. I am using Inkscape for my designs as it is a ...
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1answer
93 views

Changing to CMYK Color Mode Negatively Changes Texture Color That Was Made With Photoshop Colorize Tool

I'm an eCommerce entrepreneur designing packaging for my product and have encountered a problem while wanting to print some packaging with a printing factory. They accept only CMYK color mode, so ...
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2answers
287 views

ArchiCAD / Illustrator — working with CMYK color?

I have a bunch of work in ArchiCAD that contains colored backgrounds and black linework. Exporting this to a color PDF results in RGB separations. Is there a way for ArchiCAD to export designs to ...
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2answers
491 views

RGB and CMYK - what to expect when printing

I've designed some artwork which I originally planned to only print myself (on my home laser printer), and so I worked in RGB. I've since decided to do a print run in CMYK (outsourcing to a 4-colour ...
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0answers
87 views

When converting RGB to CMYK colour changes in print output

I am designing a poster in pink colour in RGB mode. The printing person ask me a CMYK file. I changed the mode to CMYK and send it to them, but when output comes the colour totally changes, it turns ...
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2answers
91 views

Will digital printing be able to match RGB better than offset printing?

I have a client who insist on using a lapis lazuli ( Royal Blue ) color because its part of their brand name. The rgb value is about R20, G30, B225. Can this be printed? Will digital printing be able ...
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1answer
128 views

Should blending modes ever be used for logo designs? [closed]

In a vector editor like Illustrator, blend modes do not work in CMYK mode; blend modes only work in RGB mode. My logical conclusion is that you should never use blend modes on a logo design, because ...
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3answers
110 views

Best Practice for colours that are different between applications

I am trying to create a colour swatch for a brand based on the branding guideline supplied by the original designer from around 2014. In their branding guideline they have supplied the following ...
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2answers
69 views

Illustrator Creative Cloud Pantone conversion

I am using latest Illustrator, colour settings Generic CMYK. Artworks will be printed in CMYK. I have been supplied with Pantone colours that will need to change to CMYK for print process. When I ...
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1answer
69 views

Pantone-like color matching for latex 6-color printing?

For print design with 4-color process, I've used the coated version of the Pantone Color Bridge to select colors. I'd like to select similar, perhaps wider-gamut equivalent colors to be printed on ...
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1answer
371 views

Why does illustrator invert my images when i export as CMYK?

I have this problem on Ai-cc, whenever I export-export as.. eventhough my document is in CMYK and on the final step I export as CMYK my image's result is that the colours are inverted. I have to ...
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2answers
310 views

Printing a drop shadow gradient transition to transparent in CMYK

I am attempting to print an image of a bowl of food with a drop shadow that gradually transitions to transparent on a white background. The shadow renders beautifully within Adobe Illustrator, but ...
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2answers
514 views

How to Export in both in RGB and CMYK in Affinity Design?

How do I export a logo in both CMYK and RGB in Affinity Design, provided that the Logo design starts with a template that is in CMYK? I mean when I start a new file, it asks me to choose the colour ...
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2answers
178 views

Brand color not available in cmyk

I have my own brand but everything I have done so far has been rgb. I wanted to get started printing some business cards but the color that our brand uses isn't available in cmyk and turns into a very....
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1answer
241 views

Why CMYK values of (100, 100, 100, 0) isn't pure black? [duplicate]

If I have an RGB value of (0, 0, 0) I get pure black. Now, since CMY are the opposite colors of RGB - shouldn't (100, 100, 100, 0) in CMYK mean pure black? Why is this equivalent to #363639, which is ...
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2answers
68 views

What was there before ICC profiles?

It's a general question of desktop publishing. I sometimes wonder what notions where taking place where we now have ICC profiles (and there PCSs). Which are computer notions, materialized by files (...
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2answers
65 views

Small Brown Text for Print Register, avoid blur text

I have two paragraph of 10pt texts in my postcard design. One on white, and one on an image. Both text require using brown color. Currently the values is at C42 M65 Y96 K41, I am worry that the result ...
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2answers
54 views

Can individual CMYK inks be used in CMYK color mode?

It's the first time I'm printing in CMYK. I can't understand a basic thing. For example if I want to print a shape filled only with cyan color, can I fill it with CMYK(100,0,0,0) (only one ink used) ...
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1answer
120 views

Find a good colour match from an RGB to a CMYK / spot colour that will print well

I have a hex colour #0d152c, which is a corporate colour, when this is converted / printed in CMYK the colour doesn't convert well when printed and looks a bit washed-out because obviously CMYK has a ...
2
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1answer
589 views

Outer glow in CMYK vs RGB

I am creating this graphic in Illustrator and InDesign. It is using an outer glow with the same magenta color as the fill of the shape. Normal blend mode 100% opacity. I would like to get a similar ...
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2answers
657 views

Why is my inverted black layer coming out grey instead of white, when using CMYK colourspace?

I have an RGB vector file with lots of layers, one of which is a bitmap containing a mixture of pure black pixels and 100% transparent pixels. This layer has a live invert filter, which changes the ...
3
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1answer
80 views

In a CMYK raster image, why does pure black look darker if I switch off other 3 channels?

File mode: CMYK CMYK working profile: Fogra 39 Grayscale working profile: Dot gain 15% Any region with pure black (0 0 0 100), if I turn off the cyan, magenta and yellow channels, it gets slightly ...
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0answers
184 views

Problem with colors when making a CMYK document

I'm making my portfolio and as I understand, everything that has to be printed has to be set in the CMYK color mode. So, I chose CMYK. I'm using Illustrator CC 2018. The file tab shows the information ...
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1answer
205 views

Are CMYK toners fluorescent in typical color laser printers?

A typical laser color printer uses four toner colors (cyan, magenta, yellow and black) to be able to print different colors. Are the individual toner colors typically daylight fluorescent? For example ...
2
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3answers
712 views

Alternative formulae for CMYK to RGB conversion for display on screen

I am writing software to extract text sections from PDFs and render on screen for analysis; I need to display the text on screen in the colour from the document. When the PDF contains CMYK colours at ...
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2answers
129 views

Match projected RGB to printed CMYK

We produce projected slides (RGB) and printed posters (CMYK) that sometimes appear adjacent to each other. We find that the same graphics looks very different in the two mediums. How can we adjust the ...
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1answer
204 views

CMYK image in Indesign changing RGB images on the same page to CYMK?

I'm using Adobe Indesign to write my Chemistry PhD thesis. I'm far from an expert in publishing/design, so please forgive me if this is a simple question. I am having an issue with an few images that ...
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2answers
294 views

CMYK values keep changing in RGB/8 colormode, CS6

EDit: The Image is in RGB mode and it needs to be saved as an PNG! I need to change the CMYK values of a logo to C:16%, M:100%, Y:79%, K:5%. But after I confirm these values, no matter what method I ...
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1answer
381 views

Split CMYK channels into separate images or layers using Krita

How can I create separate greyscale files from color channels in Krita. I need separate CMYK channels for screen printing.
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2answers
95 views

My photo is not CMYK and I know nothing about graphic design - advice?

Such a vague question - I tried to keep it general, sorry! I want to use a photo I have for an album cover on a site used to order custom CD cases. I uploaded it, and it said it needs to be 300 dpi (...
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2answers
1k views

Does MS Office really support cmyk colors

Does MS Office really support cmyk colors although it is shown in fly out menu in colors but some tutorials say it's just to make us happy.
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2answers
126 views

Why does White on Orange give Yellow (CMYK)? [closed]

I put white gradient (white to zero) on orange in CMYK-doc and receive Yellow. What does that mean? Visual bug?
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1answer
1k views

How to find the CMYK or RGB value of a commercial paint color?

I have a client who has chosen a paint color for their office and they want to carry that exact color onto everything from signage to website to business cards as their "brand color". Is there any ...
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1answer
1k views

Accurate RGB to CMYK conversion [duplicate]

I am trying to print out a simple picture (below) that is composed of sections of the following RGB colors: 255,0,0 255,0,255 0,255,0 0,255,255 0,0,0 I am using this image for color sensing (...