Friday, September 12, 2014

How to darken an overexposed image using multiply blend mode on Levels in Photoshop CS6 (Non-Destructive)

There are  various ways of darkening an image.Here we shall discuss the method using Levels command and Multiply blend mode.This method is non destructive which means that it does not make any changes to the image.
                                                                Before              After
1) Opening the image in the Photoshop window
Open the image that is overexposed (means which is too bright) in Photoshop CS6 by using the menu File > Open or by using the keyboard shortcut Ctrl+O.This will open a dialog box.Select the image by clicking on its name  and click Open button.
 



In the layers panel on the right side of the window we can see that photoshop opens the image as a background layer and names it Background by default.


2) Selecting the Levels option
After we see the image in Photoshop window we need to open the Levels properties window.For this we need to select the Levels option.There are two ways of selecting the Levels option.

a) Select menu Layer > New Adjustment Layer > Levels...
We can see a dialog box asking the name of the new adjustment layer.By default Photoshop names it Levels 1.If we want we can type in any other name or we can leave it as Levels 1.Click on OK button after naming the layer.
 
















b) The other way to get the Levels option is by clicking on the Create new fill or adjustment layer icon (half colored circle) in the bottom of the layers panel on the right side of the photoshop window and selecting Levels option.

4)Levels Properties panel
Now we can see a Levels Properties panel.We need not make any changes in the levels properties panel.We can click on the cross mark on the top right of the properties panel or click on down pointing arrow and select Close to exit out of the properties panel.Alternatively we can click on the double pointing arrow on the top right corner of the properties panel to hide the panel.


















5)Layers panel
We can  see a new Levels adjustment layer with a Levels thumbnail added in the layers panel on the right side of the photoshop window.By default this layer is selected.

a) Changing the blend mode
Now we will change the blending mode of this layer from Normal to Multiply.For doing this we will click on the up-down pointing arrow in the drop down box on top of the layers panel.By default we see the blending mode set to Normal.As soon as we click on the drop down menu we see a list of blending modes.We will select Multiply and find that the image has brightened a bit.If we are happy with the results we can save the image.

















b)Reducing the Opacity
If the image has darkened up too much we can reduce the Opacity of the Levels adjustment layer.We can see the layer opacity values at the top in the Layers panel right next to blending options.By default we see the opacity set to 100%.When we click on the down pointing arrow we see a slider which we can drag to the left or right to decrease or increase the opacity values.Experiment with the opacity values to get the desired brightness of the image.

c)Duplicating the layer
If the image needs more darkening we need to duplicate the Levels layer in the layers panel.There are two ways to duplicate the layer .
   
  First way is to use the keyboard shortcut Ctrl+J .This will place a copy of the levels layer exactly above the levels layer and name it as Levels 1 copy.It will also have Multiply blending mode .
     
Second way is to select the down pointing arrow on the top right corner of the Layers Panel and select Duplicate Layer...option.This will open up a Duplicate Layers dialog box asking us to enter a name for the duplicate layer.By default it will name it as Levels 1 copy.Click on OK button to exit out of the dialog box.


 6)Saving the image
After we are satisfied with the adjustments we will save the image by selecting the menu File > Save or by using the keyboard shortcut Ctrl+S.This will open a dialog box where we can write the name of the image.After typing a name click on Save button.

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