Learn how to edit a picture to alter the color of the sky using Photoshop's selective color adjustment layer. This tool allows you to change a color in a photo. A good example of what this tool can do is to change a sunset to a sunrise in a photo. To begin with, you will need to open the selective color adjustment layer under the layer tab. Under the color menu, select the color that you want to alter. The tutorial goes over how much of each color to add or remove to get the desired effect. When you are done adjusting the colors, you simply click "OK". If you are not satisfied with the finished product, you can just go back to the layer and rearrange the colors. Follow the steps in this video tutorial to learn how to alter the color of the sky in an image using Photoshop.