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Inspiring
September 15, 2019
Question

What is easiest way to make two or more photos same subject match on colour balance ?

  • September 15, 2019
  • 3 replies
  • 989 views

Hi,

Pshop CS6.

I have several photos of the same scene of a grass field taken within 15 mins of each other with the sky remaining 10/10 cloud and no change in brightness and dull throughout.  Having clicked auto in raw mode window they are each slightly different now in colour, the one grass is a bit more olive than the other, the sky is a bit different in colour as well. Placing these as layers I wish to standardise the colour balance so that when I turn the layers on and off one doesnt notice a change in the grass and sky but just the position of the humans in the scene.

I want to click the grass with sampling 51x51 or 100 x 100 and say to photoshop make the other picture's grass match the hue sat lightness of the one just sampled, i.e the one I like the best . or do something equally simple !

 

To start dragging three sliders in colour balance to and fro trying to establish what the first picture to match is missing and doing it by eye sees me thinking does it need red or magenta adding in, surely there is a way to sample the object (grass) in the target picture (one I like) and make the others adjust to match in an auto sort of way.

 

Merlin

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3 replies

barbara_a7746676
Community Expert
Community Expert
September 15, 2019

Depending on your images, this may or may not work as well as what davescsm is suggesting.

Open two images, the one that has the correct colors and the one that you want to match to it. In the image that needs the color corrected, choose Image > Adjustments > Match color. You can choose the source image. There are some adjustment you can control in the dialog box and you can also select specific areas to change (must be done before opening the dialog box)..

Norman Sanders
Legend
September 15, 2019

If we assume that the color temperature of the light source did not change during the fifteen minutes that you were photographing, it is possible the change you see is the result of a change in exposure.   In RGB, exposure change not only shifts the lightness in the image but also its RGB color values since since RGB incorporates both lightness and color in each channel value. Lab Color does not. If you post two typical images showing the shift it is possible that a three-channel Lab Color curve correction alone may solve the problem. 

davescm
Community Expert
Community Expert
September 15, 2019

You can set the sampling size of the eye dropper to 101 x 101 then drag curves or Hue Sat. But, in all honesty, I would go back to the raw files. Open them all in Camera Raw. Instead of clicking auto, select all in Filmstrip then manually adjust the sliders for the first image - the others will also be updated with the same adjustment values. Finally you can step through the other images and do any minor tweaks.
If you must use Auto - do it for the first image - then work down the adjustments and click on any with no value in  box. These are the ones where the other images don't match. Clicking each will set the other images to the same value.
Dave