Color Space?
In my digital workflow, I use the Adobe 1998 color space. My understanding is that
the Adobe 1998 gamut mimics CMYK printing far better than sRGB, which I understand to be an Internet color space with a more limited gamut. But if I publish a book through Blurb, the FAQs recommend converting to sRGB. Can anyone with some experience printing through Blurb please explain to me why Blurb uses sRGB and how my images will behave if I upload them embedded with Adobe 1998? Should I still color correct in Adobe 1998 (and soft proof using the HP 5000 profile) then convert to sRGB for upload, or should I color correct in sRGB? Thanks.
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Hi stevedaly, Good question. If you’re bothering to use the color profile for softproofing, your images should indeed by in sRGB. That color profile is essentially a map to get from sRGB to CMYK (or more precisely, to Lab values that correspond with CMYK numbers on the HP printer). So you’ll want to be sure to start from the right color space if you want that mapping to be spot-on. The smaller the RGB gamut, the better for the purposes of printing, actually. In sRGB, as opposed to the wider Adobe 1998 space, more colors that aren’t printable anyway (and are only viewable on screen) are weeded out, making the mapping to more limited CMYK space a bit more straightforward. There are myriad variables here, and I don’t want to gloss over complexities with too many rules of thumb. But in general, for best results you’ll want to convert your images to sRGB before changing the custom view setting to softproof with the color profile. Hope that helps!
Jeremy
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