Why isn't Replace Color working?

Participant ,
Apr 27, 2019 Apr 27, 2019

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I have a background that is beige, and I want it to be white. I've tried Replace Color, but it's not working. At first it looked like it worked, but the change didn't save, and now I can't even get it to change. I unlocked the background so it says Layer 0. I have Photoshop CC.

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correct answers 1 Correct Answer

Adobe Community Professional , Apr 27, 2019 Apr 27, 2019
The closer to white or black that a color is, the less well replace color works. I would try another method, like color range and curves or targeted Hue/saturation.

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Advocate ,
Apr 27, 2019 Apr 27, 2019

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Which Photoshop CC version are you running?

Is the background a separate layer or just a background in an image that you are trying to change?

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Participant ,
Apr 27, 2019 Apr 27, 2019

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Version 20.0.3. It's the just background in an image.

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Adobe Community Professional ,
Apr 27, 2019 Apr 27, 2019

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The closer to white or black that a color is, the less well replace color works. I would try another method, like color range and curves or targeted Hue/saturation.

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Adobe Community Professional ,
Apr 27, 2019 Apr 27, 2019

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Make sure that you target the colour with the eyedropper/s and adjust fuzziness.

Further to Chuck's reply, I would recommend Lab colour mode, which truly separates the lightness component from the colour components. Give it a go and see if this works better than RGB for the edit at hand.

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Participant ,
Apr 28, 2019 Apr 28, 2019

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This must be the problem, because I can change the color to any darker, vibrant hue, but I can't change it to white, or even a lighter beige. I tried Lab Color, as Stephen suggested, but it didn't make a difference.

I used color range as you suggested, and it worked. For people reading this who have the same question, this is what I did:

I created a new layer and then chose Select > Color Range. I clicked on the background color. When I closed the dialogue box, there were "marching ants" around the black lines of the illustration, separating them from the main background color.

Then I went to Layer > New Adjustment Layer. If I had needed to change the shade of the color, I would have chosen Hue/Saturation as Chuck suggested, but since I just needed to make it #ffffff white, I chose Black & White.

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Adobe Community Professional ,
Apr 28, 2019 Apr 28, 2019

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Color adjustment tools don't work on pure black and pure white. That's not Photoshop, but the RGB color model.

In RGB mode, color is by definition the difference between the three channels. The more difference, the stronger the color. As you approach 0-0-0 and 255-255-255, there is less and less leeway.

To adjust color near black and white, you need to move the output endpoints in one or two of the three channels. For instance in a Levels adjustment.

Think of color adjustments like a rubber string attached to pins at either end.

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Explorer ,
Oct 02, 2020 Oct 02, 2020

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My 'replace color' doesn't work right since I started with photoshop, many years ago. Always the latest Photoshop version. I can replace color, but I cannot choose the color I need, it sticks to a light bluish gray and that's it. No way to change it. Changing foreground and background color, trying all the droppers and sample tools and whatever I can find, but I am still stuck to the greyish blue/ bluish grey.
I have been googling innumerable times. Everyone tells me the background color decides which color it will be, but it doesn't.
Anyone any idea??

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Adobe Community Professional ,
Oct 02, 2020 Oct 02, 2020

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You do not seem to understand how Replace Color works. To replace a color, you select it by clicking with the eydropper tool (the eyedropper in the Replace Color dialog!!!) on that color in the image, adapt the range if necessery with the Fuzziness slider, and then move the Hue slider to change the color. Here's an example where I create an 'autumn' photo by changing the green colors in a photo I took in the summer.

 

1 2020-10-02 10-53-06.jpg

 

-- Johan W. Elzenga

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New Here ,
Oct 12, 2020 Oct 12, 2020

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Johan: Clearly he didn't, which is why he asked. That comment was so unnecessary.

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Adobe Community Professional ,
Oct 13, 2020 Oct 13, 2020

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Let me get this straight. It was unnecessary to tell him how this tool works and so how to solve his problem?

 

-- Johan W. Elzenga

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Explorer ,
Apr 06, 2021 Apr 06, 2021

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Johan Elzenga - thanks! You were right, I did it wrong because I didn't understand HOW it worked, and then of course I got no result at all. 
I can make it work now, more or less. It is quite complicated and only gets me in the direction of what I want, not the exact result I need. In the past, I worked with Jasc (which is now Corel) and that had an extremely simple way to do it. I make many photos of works of art and have to make the surrounding background pure white. Jasc did that perfectly, within a half minute. No sliders or anything, and exactly the color I needed. I have to decide if I go back to Jasc/Corel, but Photoshop has other things I love, so I will probably end up using them alternately. 

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New Here ,
Apr 06, 2021 Apr 06, 2021

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I'm using PS 2021, I want to change my background layer (in cmyk): 26-99-92-24 to 28-100-93-23 but the system refuses,

It is a seperate layer - in an image that has to be placed in an Indesign ducument (bookcover) that already exists in 28-100-93-23. I have been using this software for years - but after trying for several hours, I can't seem to be able to solve the problen - i am very ashamed,,,

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