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Black & White Treatment and Masks

Community Beginner ,
Apr 15, 2023 Apr 15, 2023

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I have an image I have processed in Color that has a mask that was created by inverting an object selection. The mask has a blue color applied (Color in the Color tab). I then converted it to black & white by applying the Black & White Treatment (the Adobe Monochrome was applied but all black & white profiles have the same effect), but the blue color still shows through as blue. Why is this?

I am including the color image, the converted image, and then a screen capture while I am clicking on the visibility eyeball on the Color tab to show what I expected the black & white treatment to do to the entire image.

If you can explain this, I'd appreciate it!

 

DJRf_15294.jpg

image.jpeg

Screenshot 2023-04-15 at 3.44.04 PM.jpeg

 

Mac mini M2 Pro, macOS Ventura 13.3.1, LrC 12.2.1

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correct answers 1 Correct answer

Community Expert , Apr 16, 2023 Apr 16, 2023

I don't think you were talking about the mask overlay, like @Rob_Cullen assumes. If I understand you correctly then what you did was add some color by using a color overlay as an adjustment in the masked area. This is exactly why you still see this color when you change the image to B&W. It is a color overlay, so you have 'layed color over the image' in the masked area. That works no matter what the underlying image is; a color image or a B&W image.

 

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Community Expert ,
Apr 15, 2023 Apr 15, 2023

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A Mask Overlay will show on any image (color or B&W) when the mask is active.

A mask does not change an image in any way- it is the Adjustments you make in the Masking panel that change the image.

Your Blue overlay will show in both Color & B&W modes.

 

Regards. My System: Lr-Classic 12.3 Photoshop 24.5, ACR 15.3.1, Lightroom 6.3.1, Lr-iOS 8.0.8, Bridge 13.0.3, Windows-11.

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Community Expert ,
Apr 16, 2023 Apr 16, 2023

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I don't think you were talking about the mask overlay, like @Rob_Cullen assumes. If I understand you correctly then what you did was add some color by using a color overlay as an adjustment in the masked area. This is exactly why you still see this color when you change the image to B&W. It is a color overlay, so you have 'layed color over the image' in the masked area. That works no matter what the underlying image is; a color image or a B&W image.

 

-- Johan W. Elzenga

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Community Beginner ,
Apr 24, 2023 Apr 24, 2023

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Thanks. I did not realize that is the way it works. Seems kind of strange, but good to know. Very helpful.

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