To desaturate using layer styles, add a Color Overlay layer style (Layer > Layer Style > Color Overlay). Set the color to white, gray, or black (doesn’t matter which one), then set the blend mode to “Color”. Click OK when you’re done and the color is removed!

We’re done! Here’s how the image looks like. The next step is optional but you should try it out if you want to create the sketch effect in color.

Step 9

To add the colors back, duplicate the “Outline” layer then remove all the layer styles and smart filters by going to Layer > Layer Style > Clear Layer Styles and Layer > Smart Filters > Clear Smart Filters. Change the blending mode to Color, rename the layer to “Color”, and you’re done!

Updating the Image

If at any time you want to change the image, you can double-click on the thumbnail of any layer. Update your image or make any adjustments you like, save and close, and your image will automatically be updated without having to redo all the steps. That’s the benefit of using Smart Objects!

Final Results

Download the PSD

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