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Author Topic: ACR Monochrome profile not neutral?  (Read 822 times)

FrankG

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ACR Monochrome profile not neutral?
« on: October 30, 2022, 10:24:51 pm »

Opening raw files I usually apply the Adobe Color profile. The default imported profile is Camera Settings (Camera Raw Defaults>Adobe Default) . Now I just switched to Adobe Default .

Viewing the file I often want to covert to B&W so I select the Adobe Monochrome profile from the profile dropdown.
But the RGB values are not equal, so it’s not exactly neutral. Why?

I have not applied any global masks on the image. Perhaps a local one to for example lighten a face. I checked the Grading tab & it’s highlights, mid tones, shadows to ensure there’s no + saturation. BW Mixer has all Color’s at 0. No curves…

What could it be?

Thanks
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Redcrown

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Re: ACR Monochrome profile not neutral?
« Reply #1 on: October 31, 2022, 12:13:12 pm »

I can't duplicate. Using the Adobe Monochrome profile on several images in both ACR and LR, I always see R=G=B in the readouts. This, with all kinds of adjustments applied.

Where are you reading unequal RGB values. What software, what tool window?
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FrankG

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Re: ACR Monochrome profile not neutral?
« Reply #2 on: October 31, 2022, 12:22:55 pm »

Hovering the cursor anywhere over the image gives me RGB numbers above the histogram
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