Re: CMYK vs.RGB ....
The magenta/pink on black lettering is not a problem. Just make sure that
is CMYK(0,100,0,0), and do the usual trapping, and you're set for the type.
There are at least three issues with the Logo. Two are easy, and the third
one you may need to just punt.
The first problem is the blacks - this is each to fix before the conversion
with curves - before the conversion to CMYK, move the black end of the RGB
curve until you get a solid, pure black background RGB(0,0,0). Keep a copy
of the original RGB image for reference, and convert the logo to Web Coated
SWOP v2.
The second problem I see is that after converting to CMYK, everything drifts
toward the same dark blue-purple. This makes it hard to tell the magenta
from the dark blue in the logo. The blue of the eyes is OK. It's the
magenta that moves toward the blue, being contaminated by cyan during the
conversion process. Luckily, this is pretty easy to fix. Convert to CMYK,
create an info point on an area that needs to be pure magenta, open up the
Hue/Sat dialog, select Magenta in the drop down list, click on something you
want to be pure magenta (the upper part of the 'l' in Shiela), and move the
hue and saturation sliders until you get a visual approximation to the
original. I made it a little more saturated than the original, more toward
pure magenta. This will make the silver thread in the logo turn purple,
which you can fix later with the sponge tool.
The third problem is one you will probably just have to punt. The image is
a GIF file, and instead of continuous tones, you've got dither patterns for
many of the colors. Combine this with the halftoning of the print process,
and you may get some very nasty patterns - ragged edges on letters and so
forth. So it would be better if you had the original art. If this is a
re-do, look at the results with a magnifier to get an idea of how serious a
problem this really is. The solution is to re-do the line art and lettering
manually, and perpahs use the blur tool on the face, bling bling, and other
details. The idea is to get rid of all of the tiny dots from the original
gif image, so that they will not degrade the half toning of the final print.
No - you don't need Illy for this. There is some line art, but a lot of this
image is continuous tone.
That's the problem - the dark pinks are being moved toward blue. You can
address this by using a more pure, light pink with magenta and no cyan. I
think you can get some good, solid pinks by moving toward pure magenta, with
your other main color being dark blue. The trick is to keep the cyan at or
close to zero for the pure, bright pinks, and add cyan only as you move
toward dark blue. The eyes should probably be as bright and pure a blue as
you can manage.
Since there are only two critical colors - magenta and dark blue - you may
be able to wing it without a proof. but the added cost is entirely your
decision and your client's. The most important color in the logo is pure
magenta, which is going to be easy to achieve. Add a little cyan, and you
move toward a darker blue. I think the drama of the image will be preserved
if you get two distinct tones, plus the silver thread.
There are also trap and choke issues that you are probably aware of.
Registration of the plates is never perfect, and you may get colored margins
around some of the line art and printing.
190 percent is a very light black, and I'd recommend that you break this
rule, blacks being so important to your image. Newsprint can take 250
percent, and coated stocks 300 percent or more, so you can go heavier than
this. This is controlled by setting your GCR and percent inks in the CMYK
setup, followed by fine tuning with curves after the conversion t CMYK,
using an info point to check the amount of each ink.
This is not really relevant to your image, which is mostly color. The
silver thread can be a mixture of CMY - it might even pop out of the image
better if it had a slight warm tone.
--
Mike Russell
www.curvemeister.com/forum/
Mike Russell
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