I’ll demonstrate Photo Editing using LAB in Photoshop in this lesson. You’ll discover some wonderful techniques for taking command of the detail, texture, and colour of your image. We’ll be using LAB Mode for that, and along the process, you’ll pick up a few helpful tips.

I started with this photo.

Simply so we can easily observe a before and after when we’re finished, press Ctrl J to create a duplicate layer.

Create a Curves adjustment layer in step two.

Lightness, a, and b are now available in place of RGB. (LAB)

Choose A channel, then drag the curves to the 1/4 mark as shown.

Switch to B channel and pull that line to about the same amount as you did with channel A.

There will be more colour now.

A second Curves adjustment layer should be created.(This adjustment can typically be applied to the same adjustment layer, but I want to be able to distinguish between colour and tone.)

To highlight details, choose Lightness under Curves Properties and drag that line.

Limiting the adjustment to just the rocks
Select> while the mask is selected.Colour Palette

using the eyedropper device. To pick it, click inside the rock area.

Use the tiny + to press the eyedropper.

To include it in the selection, drag it through the rock region.

Make sure you’ve selected all of the rock by adjusting the fuzziness.

Select OK.

The trees and sky are no longer affected by the contrast adjustment; only the rocks are.

Before/After rocks.

Make a new layer for the Curves adjustment.

Don’t worry about the rest of the image; just adjust the curve to give the trees more details without changing the colour.

We want to isolate the effect to trees only.
With the mask selected, choose Select>Color Range

Click inside the tree area.

Hit that small eyedropper + icon.

Click on the tree area and drag it a little bit.

Now you’ve got the green area selected.
Click OK.

Note the difference between the trees Before/After.

Select RGB Colour from Image > Mode.

Tap Flatten.

Open Camera Raw Filter and select the image.

Camera Raw Filter under Filter

I made corrections to the blacks, whites, contrast, exposure, and highlights.

Here’s the final result.

Here is a side-by-side comparison of the original photo and the finished image.

Zoom in to view the texture and finer details.

Compare the images from the before and after.
To contrast the variations in features and texture, enlarge the scene.

I appreciate you looking at it.

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