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Project 5: Colorizing a Grayscale Image
Skills and Tools: Multiple Layers, Blending Modes, Layer Opacity, and Paintbrush
Have you ever wanted to colorize an old grayscale image? Well, if you've ever wanted to add color to an old image, or ever change the colors within a new color image, then you've come to the right place. There are a lot of ways to colorize an image, and Photoshop knows them all. The technique you are about to learn will help you control the colorization process through the use of layers, blending modes and opacity. As a matter of fact, you will be able to control each color within the image and, later change those colors with the click of a button. This method is so powerful that with a little bit of patience and care, the image won't just look colorized; it will look like an original color image. Just remember this simple item: every time you add a new color to the image, you will add a new layer. This means that a single image may contain twenty or more layers; however the final results are worth it.[View full size image]
The Project
In this project you'll take a old, or new grayscale image, and through the use of multiple layers and blending modes create a colorized image that looks like it was taken with color film.
The Process
Open the file colorization_start.psd in Photoshop, and then save it as my_colorization.psd .
Click the Create New Layer button, located at the bottom of the Layers palette, and name the layer to correspond to the area of the image you're coloring.
Click the Blending Mode list arrow, and then click Color .
Select the Paintbrush tool.
Select the color you want to use to paint a specific area of the image within the new layer.
Use the Paintbrush tool to paint an area of the image.Note:
Since you changed the blending mode of the layer to Color, the image retains its details, and only the color (Hue) of the information changes.
Depending on the color you chose, slightly lower the opacity of the layer to make it appear natural.Note:
Different colors require different opacity settings to appear natural. This occurs because of the saturation of the color, and the detail within the areas you are painting. Experiment with opacity settings until the image looks correct.
Repeat steps 2 thru 7 for each individual color within the image.
[View full size image]
The Results
Finish:
Compare your completed project file with the image in colorization_fnl.psd .
Tweaking the Image
Since you are using individual layers to control the colorization process, if you over paint an area, it's a simple matter to use your eraser tool and remove the offending color information.Smart Tip:
When you change the opacity of a layer, it's not necessary to click the triangle button, located to the right of the Opacity input box, to access the triangular slider. All you have to do is click the word, Opacity, and drag left or right. It's that simple.
