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DPChallenge Forums >> Tips, Tricks, and Q&A >> colour removal
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12/08/2005 08:46:27 PM · #1
I have seen many photographs where the photograph is B&W except for a coloured object. i.e a rose or a hat.
How is this achieved
12/08/2005 10:04:31 PM · #2
12/08/2005 10:08:06 PM · #3
There are several ways to accomplish this.

One method would be to duplicate the base layer and convert the duplicate to b/w, then either mask or delete (allowing the background layer to show through) the part you want to be in color.

Another option would be to make a selection of the area you want to remain in color, invert the selection, then use a hue/sat/brightness tool/layer to desaturate the selection.

Neither of these is allowable in a challenge under the basic rules.

Also, although not as flexible, here is a tutorial on a method that *is* allowable under the basic rule set: //www.dpchallenge.com/tutorial.php?TUTORIAL_ID=25

I am sure you can find some good tutorials with examples for whatever editing application you use through google.

Hope that helps.
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