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rproulxmtl
Known Participant
May 1, 2020
Question

ACR Color Sampler Tool in Lightroom?

  • May 1, 2020
  • 1 reply
  • 811 views

Is there anything similar to the ACR Color Sampler Tool in Lightroom? I know there's a white balance eyedropper, but I don't see any way to place reference points on an image so I can compare their numberical values while performing adjustments. For example if I'm adjusting a flat surface like a pencil drawing on paper that's not perfectly lit I would want to adjust it so all 4 corners and the center have the same brightness. In ACR I simply place a few reference points using the Color Sampler Tool and refer to their RGB numbers to quickly fix the image with whatever tools are needed. But in Lightroom I cannot find any similar tool. I know that LR's RGB numbers are only displayed when soft proofing. But there are still RGB% values displayed that could be used.  Is that an ACR feature that never found it's way into Lightroom?

 

Thanks to anyone who might know ... 🙂

 

Russell

 

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1 reply

josephlavine
Community Expert
josephlavineCommunity Expert
Community Expert
May 1, 2020

Are you using Lightroom Classic or Lightroom? Although you cannot place Color Sample Points, in Lightroom Classic's Develop module you can see the RGB values under the histogram when you mouse over an area. I do not believe the same feature exists in Lightroom.

warmly/j

R
rproulxmtlAuthor
Known Participant
May 2, 2020

Hi Joseph,

Yes I'm aware that RGB numbers are displayed under the Histogram when in 'S' softproofing mode. But that only displays a value whan the mouse is hovering over an area of the image. It no longer displays when I'm moving an adjustment slider. Today I was again working on an RAW image of a product on a light background that I wanted to adjust so that the background borders and corners were all 245,245,245 (RGB) as that tranlates very close to 5C,2M,2Y,0K when converted. It's easy in ACR to lay down 4 Color Sample Points at target areas and watch the numbers change as I make local adjustments. I'm searching for how something similar is done in LR as there are so many similaritied between the two. Jumping back and forth between adjusting and checking the numbers one at a time is very tedious and is not a very efficient way to work.

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