2019年2月18日 · Choose the Pantone solid color library that you want to use. Click OK. Illustrator will apply the new color swatch to the selected object and will add the new color to the Swatches panel. Note that when converting colors you will get the closest Pantone color swatch available and it may not be an exact match to the original CMYK color.

2010年4月21日 · The most vibrant blue (like a sky blue) in the CMYK color space will be 100% cyan (100C) and about 70% magenta (70M). Any amount of the contaminating colors (in this case, yellow and black) will reduce the vibrancy. Yellow will "dirty" it up, and black will darken it. Of course, a lighter blue will have over-all lower ink percentages.

2017年4月29日 · First ask the printer which specific CMYK profile to use. There is no such thing as a generic CMYK. Then Edit > Convert to Profile. A quicker way is Image > Mode - but note that this directly converts to whatever you have as Working CMYK under Color Settings. Photoshop out of the box comes with US Web Coated (SWOP) as working CMYK. This may ...

2011年8月2日 · PDF files are not RGB or CMYK - every page object can have whatever color space it wants, so the text may be CMYK, the images RGB, and the background a spot color. That's why there's no single statement of "color mode" anywhere on the document properties.

2012年1月28日 · In your Color Settings, honor profiles when converting to CMYK in order to maximize the conversion gamut. I believe you can still adjust the image in the PDF format as suggested already. If, for whatever reason, you get the clip in the PDF generating, you may have to adjust the levels and curves to get back the shadow detail.

2014年5月6日 · Additionally export as a CMYK profile will allow you to decide whether to use Perceptual or Relative conversion, you dont have this control if the printer company does the conversion (but to export as CMYK you will have to open the image in Photoshop and do it from there, although you can softproof CMYK profiles in LR6 you cant export with a ...

2009年9月27日 · Windows XP Pro, Photoshop CS3 It seems that one can only retain background transparency if image file is saved in PNG or GIF file format. It also seems that one cannot save to these file formats if graphic is in CMYK color mode - one must be in RBG mode to do so. How can I retain image with transpa...

2020年1月12日 · Preparing CMYK PDF files for print (more specifically, for rollup banners) and while I've never had any problems leaving the default settings be -- in this case, a working space of US Web Coated (SWOP) v2 for CMYK projects -- I was wondering if I would benefit greatly switching to a more modern working space / color profile.

2018年10月31日 · As Test Screen Name , says, find out if you need CMYK. Yes, they have a smaller gamut. When you look in the Color Picker, you will see a triangle when you pick an out-of-gamut color. Click the triangle to watch the color jump to the nearest printable color. (Don't worry about the obsolete web control.)

2021年10月1日 · The PDF’s CMYK color is DeviceCMYK (no embedded profiles). The Output Intent Profile lets the printer know what the expected CMYK output space is, but the color itself is not profiled. Spot colors are left unchanged. PDF/X-3 flattens live transparency, but allows a mix of CMYK, RGB and Lab process color—all RGB objects get an embedded profile.