Concept: Changing colors in the image may be one of the most interesting feature of image processing. Adobe photoshop provides numbers of tools which can be used individually as well as in combinations. You need to be well versed with Hue/Saturation, replace color and blending mode basics to work with this part of photo retouching. Besides you must be able to select the part of the image accurately which will undergo the color changing process.
1. Open Photoshop. Open the image to
change the color.

2. Make a duplicate of the background layer and keep
the duplicate layer selected. Change the top layer mode to "Overlay"

3. Image > Adjustments
> Hue/Saturation (Hue: +29 Saturation: +28 Lightness:
+26)

4. You can go back to step 2 before applying Hue/Saturation
and apply Color Balance (Select Shadows
Color Levels -100 0 +100)

5. Image > Adjustments
> Brightness/Contrast (Brightness: +100 Contrast: 0)

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