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Author Topic: Convert to CMYK...  (Read 3846 times)

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« on: November 19, 2008, 09:01 »
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Guys, I need some help on Illustrator. The question is simple, and I think I know the answer, but again, I want someone of you to confirm me. I got rejection type: "your file contains both RGB and CMYK color profiles. Convert to RGB or CMYK and submit again"
My document is set up to CMYK, and I didn't notice I made any object using RGB color profile. I think I can convert my document to CMYK by going to: File/document color profile/CMYK...or something like that, but when I do that I don't see any change in colors, so I guess I didn't "go out" from CMYK space and because of that, I am not sure if I did something or not. Also, I have some grouped object in my illustration. Do I have to ungroup them all to do it? When I ungroup them all, and if I click on any object looks like everything is CMYK, because all sliders that show me color of the fill are CMYK. PLease help me. I am new in all this.
Thank you!


« Reply #1 on: November 19, 2008, 09:52 »
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Hello Whitechild

Illustrator is a bit different to Photoshop when it comes to colour space. Where as Photoshop can only be either CMYK or RGB (or Lab for that matter), it is possible for an Illustrator document that is set up as CMYK to contain objects that are coloured RGB and vice versa. Colour profiles could conflict if there are placed objects in the Illustrator file such as Photoshop .psd, .tif, .eps files.

It's probably best to start by turning colour management off in Illustrator -- Edit > Colour Settings > Emulate Illustrator 6.0.

If you have any placed images in the document (you can verify this in the Links palette, Window > Links, if it's empty you have no placed objects) make sure they are in the same colour space as the Illustrator document (check by going File > Document Colour Mode > CMYK [or RGB]).

Next thing I would do is check your swatches palette (Window > Swatches, if it's not already open) and using the little triangle at the top right of it, hit 'Select Unused'. You can then use the waste basket at the bottom of the palette to delete any swatches that aren't included in the job. With the remaining swatches there is a square to the right of each colour listed, this square can be made of four triangles for CMYK and three verticals for RGB. Also, if there's a dot to the left of this square it means the swatch is a spot colour. By clicking on the swatch names you'll open up another window that will allow you to change a CMYK colour to RGB, etc., and a spot colour to process. (Once you're there it should be self explanatory.)

There the easy bits and hopefully that'll solve your problem. As you mention, when objects are grouped it's often difficult to see how the individual paths and shapes are coloured. To complicate this Illustrator has two other ways of grouping objects in addition to Group. These are Object > Compound Path and Object > Clipping Mask. There is a slight quirk that sometimes occurs with Illustrator where Illustrator tells you an object is coloured differently to what your eyes are telling you. I don't know if you've experienced this yet but in these instances your best friend is the Appearance palette. I'll let you explore this as and when you need to but basically it lists what Fill and Stroke colours are used within objects and allows you to clear them if necessary.

Sorry this is long-winded but hope it helps you out a bit with your current file.

All the best.

Mark

CofkoCof

« Reply #2 on: November 19, 2008, 09:59 »
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I had the same problems also. Try this topic:
http://submit.shutterstock.com/forum/viewtopic.php?t=35793&start=0

« Reply #3 on: November 19, 2008, 10:29 »
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Thank you guys. Mark thank you a lot for your detailed explanation. I did all you said. I had some spot colors. And what about gradients? For example, in my swatches I have few gradients that don't have nothing on the right side. The is no little square with 4 triangles or  square that addresses RGB colors. There is only square that shows gradient, and the name of it is "Green,Yellow 1" When I double click it I cant change it to any color mode because those options are gray. Also, besides square with 4 triangles, there is the same size square with B/W raster. Does it mean that color is process color?


 

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