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When are CMYK Colours Required?

Discussion in 'Printing & Print Design Forum:' started by Gabe Whitehead, Oct 31, 2014.

  1. Gabe Whitehead

    Gabe Whitehead New Member

    I have drawn a logo in Inkscape which is not capable of doing CMYK colors.

    However at present I only need my logo on content that is going to be printed by domestic printers, does it need to be CMYK?

    generic cialis likes this.
  2. NeonThunder

    NeonThunder Active Member

  3. Anything that gets printed must be provided with a CMYK colour profile.
  4. Jimlad

    Jimlad Well-Known Member

    Two points:

    1. CMYK is needed whenever you're printing. Cyan, Magenta, Yellow and blacK are the colours used to create a printed image so working in any other colour space will create printouts that don't match what you have on screen.

    2. Inkscape IS capable of CMYK. It says so on their website:
    View attachment 1588

    Attached Files:

    • cmyk.png
      File size:
      236.2 KB
  5. scotty

    scotty Well-Known Member

    K = Key (black)

    Just sayin' like.
  6. Gabe Whitehead

    Gabe Whitehead New Member

    It isn't capable of outputing a file with cmyk colors though, i think i'm correct in thinking that it only has the color selectors?
  7. Jimlad

    Jimlad Well-Known Member

    Thanks for the learnings, Scotty :)
    scotty likes this.
  8. scotty

    scotty Well-Known Member

    Jus' doin' ma job Ma'am.
  9. MFPTech

    MFPTech New Member

    is it also necessary to flatten the file before printing please? btw, what is the difference between flattening a file and just saving it as a pdf please

    Thanks in advance!
  10. artworkabode

    artworkabode New Member

    It depends, if your file has areas of transparency flattening will divide the work up by transparent areas and rasterized areas which is easier for printing.
    Jimlad likes this.
  11. ArefinKhan

    ArefinKhan New Member

    CMYK for print RGB for display
  12. hankscorpio

    hankscorpio Moderator Staff Member

    More on the K

    Key colour would be for the darkest colour in a printed job.

    It's common in CMY printing that there is a black plate, which is the darkest and printed first - hence CMYK.

    Whereas if you were doing a 2/3 colour print job not using black, you would still have a Key plate, the darkest colour printed first to give the outline and definition.
  13. SC Creative

    SC Creative New Member

    You shouldn't need to flatten the file if you (and your printer) are using a workflow that supports PDF 1.4 onwards.
  14. hankscorpio

    hankscorpio Moderator Staff Member

    PDF 1.4 will flatten the file. It's PDF1.5 upwards.

    And in an ideal world you'll be sending PDFX4A
  15. hankscorpio

    hankscorpio Moderator Staff Member

    Once it's RGB you can convert to cmyk during the output process. There's no need to convert to Cmyk prior to this.

    RGB has a wider gamut than CMYK. If you convert to Cmyk then you're reducing your gamut range. What happens when you need to print this same image on large format printer that uses the ProRGB spectrum for printing?

    You have reduced your gamut and this image is now unsuitable for this style of printing.

    My advice would be to leave RGB as is place as it is. InDesign/Quark/Photoshop/Illy etc all use the exact same colour conversion to Cmyk.

    Basically place rgb place Cmyk place spot and let the software convert to Cmyk/rgb/etc for you.

    You don't need to spend so much time manually converting every image.

    The only time I would do this would be for a color critical image, such as a painting or perhaps bespoke photography.
  16. ArefinKhan

    ArefinKhan New Member

    basically CMYK For Print Design its call (print ready) RGB For Display Such as UI Xi
  17. staunton_rook

    staunton_rook Member

    what programme doesn't support cmyk!!!
  18. ArefinKhan

    ArefinKhan New Member

    MS Word Does Not Support cmyk Directly .

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