Without Color Correction, the entire retouching process is incomplete. It is considered as one of the most important parts of portrait retouching. Correcting the tone and color in Photoshop will help you avoid your original images look excessively dark or bright while taking photo shoot. Image editing will adjust the light effect problems and make your portrait realistic and pleasant to the eyes.
Color Sampler Tool
Turn your image color into another with Color Sampler Tool
Change your image color with the help of Photoshop curve tool
Change your image color with the help of Photoshop color balance adjustment layer
Apply levels from Photoshop adjustment layer to your image to change your image color