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Step
1:
Open your photograph that you will be working with for
this tutorial.
Step
2:
We will then need to duplicate our image. To do this click
on (image > duplicate) in the top toolbar. When the
duplicate image window opens simply click on the OK
button. It is always a good idea to get into the habbit
of duplicating your image before working on it so you
will always have the original image to work on at a later
date.
Step
3:
Now we will change to the LAB color mode. Along the top
toolbar click on (image < mode < LAB color).

When
you change to LAB color mode you will not see any change
in your image but there is a difference when looking at
the different channels of your image. To open your channels
box if it's not already open, click on (window < channels).
Step
4:
1. Before changing anything in our channels we first need
to work on our layers pallet. To get to your layers pallet,
click on the layers tab on the channels dialogue box.

2.
At the bottom of our layers pallet click on (create new
fill or adjustment layer < curves) to open up the curves
diologue box. You will notice a grid in the dialogue box.
We want to reduce the grid size so we will have a smaller
grid to work with. Reduce the size of the grid by holding
the ALT key down on your keyboard and clicking
anywhere within the grid.
Step
5:
We first need to go to the A channel in the dialogue box
. You can get there by pressing CTRL + 2 on your
keyboard or simply select A in the dropdown menu.
When you have A channel selected you need to slide
the line at the top and bottom so they match up with the
first vertical lines. We have shown you how to do this
in the image below.

The
same needs to be done to the B channel. Select the B
channel by pressing CTRL + C on your keyboard or
select B from the dropdown menu and repeat step
5.
NOTE
- By clicking the preview button on and off you will
see the difference from the original image to the edited
image.
When
you have finished, click OK.
Step
6:
The next thing we want to do is to sharpen our image.
In the layers pallet, click on the background layer to
select it. Now click on the channels TAB at the
top of the dialogue box and select Lightness.

Next,
in the top toolbar, click on (filter < sharpen <
smart sharpen).

The
smart sharpen dialogue box will open. In the dialogue
box make sure that the Lens Blur is selected and not the
Gaussian Blur. For my image I am going to use a radius
of 1.5 and the amount to 110%. You will have to play with
your own setting for these two, so you get the best result
for the image you are working with. There is no right
or wrong setting. Just play with the two sliders until
you get a good result in the image. When you are done,
click OK. To see your image now in color, click
on LAB in the channels pallet.
Step
7:
It's now time to flatten our image so in the top toolbar
click on (layer < flatten image).
Step
8:
The last thing we have to do is to switch back to RGB
mode. So along the top toolbar click (image < mode<
RGB color). Go ahead and save your image.
That
concludes our tutorial for boosting the color in your
images using Photoshop.
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