Adjusting the Color of a Photo or Graphic ElementAdobe Photoshop has many ways to alter the colors of a photo or graphic. One method is to choose a command from the (top menu) Image > Adjustments submenu. Adjustment options include hue/saturation, and brightness/contrast. This method permanently alters the color of the image in the Photoshop document. Another method is to use an adjustment layer. Adjustment layers
let you experiment with color and tonal adjustments without permanently
changing the image. The color and tonal changes reside within the
adjustment layer, which acts as a veil through which the underlying
image appears.
Select your layer in the Layers panel Click the 'new fill or adjustment layer' icon, as above Choose Color Balance from the dropdown list
Try different settings and notice the different color
changes on the image.
Click OK to commit your changes. The original picture and a modified one with color changes:
Experiment with various other options available
under the adjustment layers menu. To discard changes, right-click
on the adjustment layer in the Layers panel and select Delete Layer. Click on the "fx" icon at the bottom of the Layers panel. ---> Clicking on Color Overlay or on Gradient Overlay will open an options window where you can experiment with different colors and varying degrees of transparency of colors:
The original graphic, and those modified with Color Overlay and with
Gradient Overlay:
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To use an adjustment layer, select the layer that
you wish to change. (Hold down the CTRL key and click on the area
of the document you wish to change -- its layer will highlight
in the Layers panel.)
Changing the color settings using a Color balance layer 
This displays the Color Balance window 
Another method is to use a Layer
Style effect. As with Adjustment Layers, modifications using
the Layer Styles do not permanently effect the original image.
