In this tutorial for Photoshop, you’ll be able to enhance the sky of your photograph in a snap. While this tutorial for Photoshop isn’t as efficient as other more complex tutorials for Photoshop, it does the job in most cases.
First you navigate to View>Channels. Then click the eye off of all the Color Channels except for Red.
Open the same file so that there are two on your Desktop, one color and one black-and-white. Click on the color photo. Navigate to Image>Mode>Lab Color. Open the Layers palette by navigating to Window>Layers. Click on the Lightness Channel. Next, click on the black-and-white photo. Select all of it with the Rectangular Marquee Tool in the Tools Palette. Click on the Move Tool in the Tools Palette.by