Boost Photos Usings Photoshop

This Photoshop effect makes cool colors (ex. blue) darker and warm colors (ex. red) warmer. The results are glowing

skin tones, dark grass and tress, and vivid colors.
Finding the Cool and Warm Colors

The first step towards this Photoshop effect is to identify the cool and warm colors.
Step 1

Open a photo you would like to edit. Or, you may use the photo used in this tutorial (from iStockPhoto).
Step 2
Boost Photos Usings Photoshop
The Lab color mode contains a chroma A channel  that identifies the cool and warm colors. To access this channel,

change the color mode to Lab color (Image> Mode> Lab Color)
Lab Color Mode
Step 3
Boost Photos Usings Photoshop
Now that we’re editing in Lab color, we can grab the channel. But before we do this, we need to create a new layer

(Layer> New> Layer or Shift+Ctrl+N) .
New Layer
Step 4

After creating a new layer, we’ll add the chroma A channel to the layer. With the new layer selected, use the Apply
Boost Photos Usings Photoshop

Image tool (Image> Apply Image) to set the following properties:
Layer: Merged
Channel: a
Invert: Unchecked
Blending: Normal
Opacity: 100%
The Apply Image Tool

Blending and Tweaking

Now that we have our layer with the cool and dark colors defined, we can blend the layer into the image and adjust the

Step 5
Boost Photos Usings Photoshop
To blend the layer into the image, simply change the blending mode of the top layer to Soft Light.
Soft Light Blending Mode
Step 6

We’ll be using the Levels tool to adjust the effect. Open the Levels tool (Image> Adjustments> Levels or Ctrl+L). To
Boost Photos Usings Photoshop
increase the effect, move the black and white input sliders towards the center.
The Levels Tool

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