Photoshop don't convert RGB to grayscale

Picture mode > grayscale is no longer produced results after the update to CS5. Rest of the color mode RGB and the channels reflect the same.

My current workaround is to first convert to CMYK, then shades of gray.

Does anyone know how to explain / difficulty this behavior?

Thank you.

Since there is no apparent reason to do this - RGB to GS works in 8,16 and 32-bit mode, as well as with alpha channels and paths - it may be time to reset the preferences. You shouldn't have first convert them to CMYK, and do so can jeopardize any conversion to grayscale in addition. You have other versions of Ps on your computer to try this with. Does happen with every file or just one file in particular? Can you upload a file somewhere for someone else to test it on a completely different machine.

Tags: Photoshop

Similar Questions

  • Convert "I16 in grayscale" to "RGB U64.

    Hello

    I need to convert an image to Grayscale I16 U64 RGB, but it does not work (I joined a zip file).

    I think that there is a bug in the Vision of OR, or it is not implemented, because I have no problem to do Grayscale U8 to RBG32.

    Can you help me find a solution for this?

    I need to use the function ReplaceColorPlane or equivalent because I have to perform various treatments on each channel (RGB).

    Thank you

    Hi Badgones73,

    U64 image consists of four U16 values (R, G, B and alpha). LabVIEW represents 16-bit images as an I16. When the plans of color extract IMAQ is called, U16 value must be converted to values in I16. This is done by converting all values with the most significant byte of the 1 to 0. This means that all values of 32 768 to 65 535 are now 0. To avoid using the loss of these values, you must read the image in LabVIEW without using the functions of the vision.

    Once you have extracted the U16 values, they can be converted from U16 images images I16. Once this is done, you will be able to use all functions of the Vision.

    Also, I invite you to read the information on our site:

    How to convert a color to grayscale Image?

    http://digital.NI.com/public.nsf/allkb/ED42C55C29B9B34C862570A60079952E?OpenDocument

    Kind regards

  • cannot set file error when trying to put the photoshop button in adobe muse, he is not 'supported color space. Resave image RGB or grayscale.

    cannot set file error when trying to put the photoshop button in adobe muse, he is not 'supported color space. Resave image RGB or grayscale.

    I believe that this is already the answer here:

    https://forums.Adobe.com/thread/1917435

    Thank you

    Sanjit

  • Is it necessary to convert RGB to CMYK photos if you simply print at home?

    I am new to the creative suite, and I use InDesign for a class presentation. I was told I should convert photoshop images I use RGB to CMYK for printing, but I'm just to the printing house on my little deskjet.

    Second question: if it IS necessary, why make an alert in photoshop by saying 'you are about to convert to CMYK using the "U.S. Web Coated (SWOP) v2" profile. This can ve not what you intend. "What do that mean and do I just ignore it?

    Thanks in advance for any advice you may have!

    The advice you got was specifically for sending from a project to a CMYK printing press. Conversion to CMYK was the traditional requirement of these tasks, since the days when most of the images were printed and more printed images went to a CMYK press.

    But it has been several years that it was true. Some InDesign workflow can use RGB images if configure you InDesign to convert to CMYK output, or if the digital press will do the conversion. Many House digital printers and newer digital printers are set up to work with RGB images. For example, you do not send CMYK images to the laboratory have printed enlargements and photo books made, you send RGB. As far as your inkjet home goes, it uses different colors as U.S. Web Coated (SWOP) CMYK (some printers use six inks or more), so conversion to CMYK is not even properly correspond with the inks used.

    This is the reason why you see the alert message. It is no longer a world where convert you all images to CMYK for print, if Photoshop is to make sure that it is something you really need to do. Because if you convert to CMYK when you do not need, your images will look worse because CMYK does not provide the number of RGB colors.

  • How to convert RGB to CMYK images in batches

    Hello

    Can someone explain in a way step by step how to convert RGB to CMYK images batch?

    Thanks in advance

    If you do not want to use Photoshop for the conversion of bact there are several ways, including lots and Image Procesor under the file > controller or file > Scripts of PS.

    However, my preference is to use the script from Russell Brown: Image Processor Pro, via the bridge:

    http://www.russellbrown.com/scripts.html

    Like other similar is transformative image:

    http://www.scriptsrus.TalkTalk.NET/

    Both allow you to make several conversions simultaneously, different sizes and file types and actions running before or after conversion.

  • Hello, I need help.  in photoshop / editing / color / color / RGB management rules, it is impossible to change this point. Is in the "off" position and I would choose "preserve embedded profiles' I'm on windows 8 and creative cloud for photoshop.

    Hello, I need help. in photoshop / editing / color / color / RGB management rules, it is impossible to change this point. Is in the "off" position and I would choose "preserve embedded profiles' I'm on windows 8 and creative cloud for photoshop.

    Policies automatically goes to "off" If you have your screen as working RGB profile - what is something that you should never do. Always have a standard space like RGB work.

    And Yes, "preserve embedded profiles" is the only sensitive parameter. Others are best for special purposes where you really know what you are doing - at worst they will transform your archive in a unrecoverable mess.

  • I can not download o Photoshop don't cc e tenho o plano fotografia, EU had no computador desinstalei comprar antes o plano apaquei tudo computador e mesmo assim agora I can not download o cloud creative nao baixa ele

    I can not download o Photoshop don't cc e tenho o plano fotografia, EU had no computador desinstalei comprar antes o plano apaquei tudo computador e mesmo assim agora I can not download o cloud creative nao baixa ele

    Hello

    Please refer to the help documents below to download the application Adobe CC:

    Creative cloud to desktop

    Download, install, update or uninstall applications

    Once you have the CC desktop application on your machine, you can install Photoshop from here.

    Kind regards

    Sheena

  • How to turn off my copy of photoshop don't see 12.I disable menu helps, any mode.

    How to turn off my copy of photoshop don't see 12.I disable menu helps, any mode. I tried in expert mode in the editor and disable is not there.
    I have

    In ESP 12 and 13, Sign Out is disable.

  • don't convert the file to complete, depending on the restrictions of copyright applied to it. How to do this?

    don't convert the file to complete, depending on the restrictions of copyright applied to it. How to do this?

    Hi clahue1,

    The only way to bypass the security restrictions on the PDF, is to use the password that the author defined for it. If all goes well, you know who created the PDF, so that you can ask for the password.

    Best,

    Sara

  • Is it possible to convert RGB to CMYK images in Photoshop elements 12 or 6 Lighroom?

    Hello

    I am a freelance photographer, asked to produce images in CMYK mode to print. For the type of work that I normally do, Photoshop Elements is good enough. So, I bought not the full program of Photoshop. I can´t seem to find a way to convert my RGB to CMYK files. Someone at - it suggestions on how to do it?

    Grateful for any help.

    Kind regards

    Anna

    Elements has no CMYK support. You need the full Photoshop for this.

    However - you have good CMYK profile for the real press and used paper. If they ask CMYK without specifying exactly what CMYK profile to use, it's a gift: they have no idea of what they are doing. So ask them that.

    In any case, the common nowadays procedure is to present photography as RGB equipment, to be converted to CMYK destination on final export as PDF ready from the program layout (InDesign). This means that the images are placed as RGB in InDesign. In this way the material can be easily reused for press different conditions.

    In other words, if they run a color managed properly the process. There are still some who don't.

    CMYK standards vary around the world. The default value of Photoshop's us Web Coated (SWOP), which is not used anywhere outside America. Here in Europe the most commonly used are ISO Coated (ECI) 300% or Coated FOGRA39.

  • Mode > convert > levels of grayscale, RGB %s

    I understand that the Mode > convert > grayscale uses the channel mixer, anyone know what percentages of red, green and blue channels are used to create the image to grayscale?

    Yes I see. It is the default value for the conversion to grayscale in Photoshop.

    http://www.PixelGenius.com/tips/Schewe-color-BW.PDF

    Gene

  • Convert image to grayscale in monochromatic color (CS4, Win7)

    Photoshop CS4, Win7: What is the best way to take a grayscale image and convert it into monochromatic color?  I've done this before, but after I change the mode to grayscale to RGB color, I can't rememeber stage next and how to choose the base color for the monochromatic version.

    This change in CS5?  Thanks in advance for your help.

    Change the blending mode to normal instead of the hue of the adjustment layer.

    MTSTUNER

  • How to automatically convert RGB objects.

    I'm running a problem with preliminary controls automated when deliver PDFs for print to some of our partners, bounce, based on vector objects that use RGB color chart. My task is being intermediaries between a creative agency who designs our advertising and release to the magazines who use them for printing. I usually resize the files slightly based on the catalogue, check that related images are correct and so a minor update, it must be simple cool stuff. Unfortunately a lot of the design of our agency files use a mix of RGB and CMYK shades for objects and this has been repeatedly causing the pre-flight automated software used by one of our partners, and then I have to track down each object and convert them, reviewing the files several times if I lack. Although Illustrator is not the ideal program for print advertising, I want to solve it is much simpler, if the document is in a CMYK profile, then I never get denial for the RGB color chart, as they are converted. Is it possible to automatically check color chart RGB in InDesign, or bring marked in step of the package (seems not catch).

    Thank you!

    Makes the PDF?

    It's pretty easy to define a preflight profile in the ID to the RGB color flag, and you should be able to convert a specified CMYK profile automatically on the export of color if you are using the right settings.

    For the most part, this resembles that done needs of a PDF file to implement a predefined export to convert the color to the printer specified by the profile.

  • My version of Photoshop CS3 cannot convert tiff to jpeg files

    I bought Creative Suite CS3, including Acrobat 8.0 professional.  I have transferred my CS3 to a new windows 7 Professional 64 bit PC and has done so with the help of an officer of Adobe.  All the programs launched OK. As a first step, the software would not be registered, but previous forums has shown a work around... the screen recording said essentially no connection to the internet... so after some research, I spent that.

    But Photoshop won't give me the possibility to convert TIFF to JPEG formats... files menu option is no longer visible.  AND Acrobat 8.0 launch so well I can convert MS word/Excel files to PDF formats, I can't use Acrobat Distiller/Acrobat 8.0 to combine several PDF files open in a PDF doc... Suspect it's a problem of software upgrade...  Is it?

    Change it to 8-bit/channel and then check out.

  • Convert RGB to CMYK and RGB image

    Hey.

    I wonder if anyone has any experience with conversion of RGB to CMYK and RGB image?

    I had a TIF in RGB, then convert to CMYK, but I thought it would be best to keep in RGB, so I converted. I read that he meant to cause losses in the data, but I don't see anything in the image, it's always very huge and 2 RGB files has the same size as well. Is there a way to compare the resolution of 2 images somehow, or how I can see what I've lost through 2 conversions?


    Thanks for help

    You wrote:

    "I read that he meant to cause losses in the data, but I don't see anything on the image.

    Data loss, you refer relates to the compromise made when appearing in RGB colors fall outside the range of available colors printing inks. In such a case, substitutions are made in the conversion of RGB to CMYK based on your choice of the Conversion Option > intent found in Edit > color settings. The good news is that if you don't see a color change when you switch from RGB to CMYK and vice versa, this means that none of the colors in RGB mode are outside of the range of CMYK ink. I suggest that intention more appropriate for the mode switches such as the one you mentioned Relative Colorimetry is the choice more practical.

    When RGB, clicking Cmd + there will show a color change if the colors are outside the range of ink. Another signal is an exclamation point beside the CMYK numbers in the info panel. To see which areas of the image are affected by the limitation of printing ink, choose View > Gamut Warning.

Maybe you are looking for