One way to enhance the coloring of your digital photo is using the Curve adjustment layer in Photoshop. It's a powerful tool that enable you to get different styles and coloring from a single photo. Don't worry if you're not that familiar with Curve. Download this action and run it in Photoshop to get the coloring shown in our preview below. Some tips for you: If your image is dark, duplicate that image and set the layer to Screen, adjust the opacity to your liking. You can also adjust the opacity of the curve layer after you're done running the action. This will adjust the intensity of the coloring effect.