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Unable to replace color in B&W jpg using PS

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  #1  
Old 10-29-2008, 08:12 PM
fogisland33 fogisland33 is offline
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Unable to replace color in B&W jpg using PS

Hi all,
I am using the replace color tool/process in photoshop to change the color of some clip art...it doesn't work...what am I doing wrong? Is there an alternate process? Thanks in advance for your help.
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Old 10-29-2008, 08:26 PM
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DCobb DCobb is offline
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Re: Unable to replace color in B&W jpg using PS

Hi fogisland-

Welcome to RetouchPRO. Can you post an example? Is it in the right file format for this type of correction?

dc
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Old 10-29-2008, 08:39 PM
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TommyO TommyO is offline
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Re: Unable to replace color in B&W jpg using PS

The Color Replacement Tool does not work with black or white in an image. It works by comparing the lightness of a color to a reference of 128 (mid-scale) and replaces more color at that lightness, less as you go toward 0 or toward 255. At 0 or 255 it replaces nothing.
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Old 10-29-2008, 08:55 PM
fogisland33 fogisland33 is offline
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Re: Unable to replace color in B&W jpg using PS

so how can I replace the color most efficiently then, short of using the magic wand? essentially, I have a piece of clip art from a Dover Clip Art file, indeed they are all B&W...I want to colorize them...how can I go about doing that? Thanks so much!
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Old 10-29-2008, 09:07 PM
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Re: Unable to replace color in B&W jpg using PS

For clip art, the Magic Wand should work fine. Just remember to:
- set tolerance high;
- uncheck continguous;
- click the Refine Edge button and turn everything off (0).

Then Edit>Fill with your choice. You could always fill with 50% gray first, save this version to use with the Color Replacement Tool at a later date. Yes, CRT will work on gray.
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Old 10-29-2008, 09:17 PM
fogisland33 fogisland33 is offline
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Thumbs up Re: Unable to replace color in B&W jpg using PS

okay, thanks! I was looking for something a bit less tedious when some of these images have a lot of disconnected areas...talk to you next time!
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Old 10-29-2008, 09:19 PM
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Re: Unable to replace color in B&W jpg using PS

When you uncheck "contiguous" the disconnected areas become one !
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Old 10-29-2008, 09:23 PM
fogisland33 fogisland33 is offline
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Re: Unable to replace color in B&W jpg using PS

oh, brilliant! that pretty much did it. thanks a ton.
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