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Photoshop 2022: Gradient map and CMYK color

Community Beginner ,
Oct 27, 2021 Oct 27, 2021

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When using the adjustment layer in CMYK mode, map 100% K to 0% K, I get output in all CMYK colors - useless!
When I import a Grayscale file into a CMYK canvas (as a smart object), it is also converted to all CMYK colors. I'm sorry but this doesn't strike me as a bug, but as a fundamental flaw and misalignment.

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correct answers 1 Correct answer

Adobe Employee , Nov 14, 2021 Nov 14, 2021
Update to 23.0.1. Gradient Fills and Gradient Maps created in prior versions will look the same when opened in 23.0.1.

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Explorer ,
Oct 28, 2021 Oct 28, 2021

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I also experienced this today, this is really REALLY bad!

Please fix this ASAP, thanks.

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Adobe Community Professional ,
Oct 28, 2021 Oct 28, 2021

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jakubk83931695, Please describe the steps you are taking - one at a time. 

i.e.: how do you create the image?

what do you mean by "using the adjustment layer in CMYK mode"

- which specific adjustment layer are you referring to?

 

also you mention "output in all CMYK colors"

what do you mean by output?

do you mean that the file you have open now has colour in all channels?

 

In CMYK print (depending on the ICC profile) even neutral black is created using a mix of CMY aswell as K [it's known as "rich black"] so that means converting a greyscale image to CMYK will result in a mix of colour. You'd have to delete the CMY channels to get an image file with just K.

 

I hope this helps
neil barstow, colourmanagement net :: adobe forum volunteer
google me "neil barstow colourmanagement" for lots of free articles on colour management
[please only use the blue reply button at the top of the page, this maintains the original thread title and chronological order of posts]

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Explorer ,
Oct 28, 2021 Oct 28, 2021

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Ah what? ^^

Gradient layer effect on a layer is set to ONLY K but now it is processed in CMYK in Photoshop.

This even happens to older fotos with this adjustment opened in Photoshop 23.

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Adobe Community Professional ,
Oct 28, 2021 Oct 28, 2021

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I would assume gradient map is basically an RGB function operating on RGB numbers.

 

In other words, any CMYK numbers are translated via working RGB, and then the returning CMYK output is always 4 plate.

 

Yes, I can see that a K-only gradient makes sense. Post it under "ideas" (aka feature request).

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Community Beginner ,
Oct 28, 2021 Oct 28, 2021

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I couldn't agree more - in the previous version it worked exactly as one would expect - when in CMYK, the gradient was in the chosen colour. In addition, adjustments that require RGB are unavailable in CMYK mode.

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Adobe Community Professional ,
Oct 28, 2021 Oct 28, 2021

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OK. If it worked previously, then it's "bugs", not "ideas".

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Community Beginner ,
Oct 28, 2021 Oct 28, 2021

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1) Otevřete jakýkoli starý soubor .jpg v RGB (neotevírám upravený soubor - pro jistotu).
2) úpravy / převést do profilu: CMYK Fogra 39 - nyní jsem v CMYK barve módu.
3) adjustment layer - gradient map - levý (tma) bod 0;0;0;100, pravý (světla) 0;0;0;5 (CMYK)

A teď bych měl mít šedou 0;0;0;40 (Photoshop 2021), ale mám 40;32;31;10 (Photoshop 2022). I know about "rich black" ale když chci černou, tak chci jenom černou.
Používám tento postup pro specifickou úpravu WB fotek do knih - ostatní CMY barvy přidávám následně ale pouze do stínů.

Adobe: Please fix this ASAP, thanks!

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Community Beginner ,
Oct 28, 2021 Oct 28, 2021

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I´m sorry, I paste wrong text 🙂

1) Open any old .jpg file in RGB (I don't open a modified file - just to be sure).
2) Edit/convert to profile: CMYK Fogra 39 - I am now in CMYK color mode.
3) adjustment layer - gradient map - left (dark) point 0;0;0;100, right (light) 0;0;0;5 (CMYK)

And now I should have a grey 0;0;0;40 (Photoshop 2021), but I have 40;32;31;10 (Photoshop 2022). I know about "rich black" but if I want black, I only want black.
I use this for specific editing of WB photos for books - I add other CMY colors afterwards but only for shadows.

Adobe: Please fix this ASAP, thanks!

Translated with www.DeepL.com/Translator (free version)

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Explorer ,
Oct 28, 2021 Oct 28, 2021

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It's not only Gradient Map but Gradient layer effects have the same issue...

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Adobe Employee ,
Nov 14, 2021 Nov 14, 2021

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LATEST

Update to 23.0.1. Gradient Fills and Gradient Maps created in prior versions will look the same when opened in 23.0.1.


Senior Product Manager - Customer Advocacy - Digital Imaging

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