Add green color on trees

[PixLab]

rich2005 method with a twist for your color
Open G'MIC and do what rich2005 told you to do with Colors > Auto Balance, but as output layer ➤ select New layer(2) and click Apply (3)

   

Then WITHOUT closing G'MIC, go to the Ttesting > Afre like rich2005 told you, same here ➤ the output is a new layer (3), and this time you click the [OK] button

   

In the layers' dialog you will have now 3 layers, put the one in the middle of the stack on top of the stack in LCh Color mode, now it's sharp and the grass is green! Then just Play opacity, saturation or whatever you like for your taste

   

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(02-18-2024, 01:30 AM)Stephen Liu Wrote: HI@Krikor,

Thanks for your advice

Color -> Color Curves


I couldn't find  "green channel" there

Regards

You need to click the Value button, a drop down menu will appear ➤ click on "Green"