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Illustration of a bearded man with a somber expression and a roaring bear-like creature behind him against a greenish gradient background.

How to Color Inked Line Art in Photoshop


Click the image below to see it in full size. finished hunter preview

Step 1: Scanning Your Inks

In this tutorial, I’m going to use my own illustration. Feel free to use your own illustration or use the source file provided at the end of the tutorial to follow along.

step 01 scan inks Make sure you are scanning in black and white. This ensures that you have solid black lines with no soft edges. This is important as we will be isolating the line art onto its own layer — it’s much easier to do this when the line art is clean and solid.

step 02 show threshhold

Step 2: Isolating the Line Art

Now that we have our image scanned, open it in Adobe Photoshop. We want to separate the inks onto their own layers for more control. To do this, we want to select the white background and delete it.

Press Ctrl/Cmd + Alt/Option + 2 (for Photoshop CS4 and up) or Ctrl/Cmd + Alt/Option + ~ (for Photoshop CS3 and below). This command places a selection around all the light-colored areas of the layer. Tip: I encourage you to know and use Photoshop shortcut keys; it saves a lot of time.

step 03 select whites Then press Delete to remove the selected white areas, leaving us with just the line art on this layer. step 04 delete whites Create a new layer (Shift + Ctrl/Cmd + N). Use Edit > Fill (Shift + F5) to fill the entire layer with white.

Move this layer below the line art layer. Lock this layer. We won’t need to do anything to it anymore.

step 05 separate whites

Step 3: Clean Up Inks

It’s always a good practice to erase as much of your pencil lines before you scan in your inks. It lessens the work later in the digital stage. But still, we’ll often still need to clean up our inks digitally.

Let’s do some tidying up! With the inks on their own layer, run through them with the Eraser Tool (E) to get rid of any unwanted marks. step 06 cleanup

Step 4: Flats

Flatting (or flats) is blocking in color that serves as placeholders.

Flats are not your final colors; instead, they help you gain control to make coloring and rendering efficient. The term comes from the coloring specialist, Flatter, in the comic industry. Let’s start by creating a new layer underneath our line art layer.

Next, grab the Lasso Tool (L) and make sure that the Anti-alias option in the Options Bar is not checked. step 07 lasso Start tracing the line-work with the Lasso Tool and filling (Shift + F5) the Lasso selections with whatever color you want. step 08 fill The completed flat for the face should look something like this: step 09 flats 1 You will continue this process until you have all the areas covered.

In short, any area you want to color is going to have a different color flat. It doesn’t matter which colors you use in this stage, so long as the same colors don’t touch. Your final flats should look something like this: step 12 finished flats This can be a long and tedious process, but the hour and a half you spend flatting could easily translate into saving three hours in the final coloring stages.

Step 5: Coloring

Now that the flats are finished, we need to lock the layer. This is where you start making choices and experimenting, because it’s time to color! You should have your flats layer locked.

Now, grab your Magic Wand Tool (W), make sure to have the Tolerance option set to 0, Anti-alias option unchecked and Contiguous option unchecked (this can all be done in the Options bar). step 13a colors jcp Use the Magic Wand Tool to select the different colors on your flats layer and filling (Shift + F5) your colors on the new layer above it. step 13b colors jcp I’m going for a purple-ish overall tone with a yellow/green background, but I may decide to change it to a red, a green, or even a yellow tone down the road.

Since I can go back to my flats layer and grab anything I want, everything can be changed or fixed. This is one major advantages of flatting. For now, I’m going to stick with the colors shown below.

step 13 colors

Step 6: Rendering

Here’s another stage where the choices are yours. You could just leave these colors flat, or you could make a custom brush and start painting. For this piece, I will go with a basic cel-shading style — blue shadow on everything.

I’m doing this, because I know I’m going to be playing around with a lot of watercolor textures later, and I don’t want an overly rendered look. So with the Magic Wand Tool (W), let’s grab all the areas of the Hunter and his Horse. Pick a nice blue shade color, and start coloring where you want your shadows.

I did this on a single layer to minimize the number of layers I end up with as well as using as little machine power to prevent crash or lag. Here is the result: step 14 shadows Now we are going to create a new layer on top of the shadows layer to add some gradients to the background and the shield. Use the Magic Wand Tool (W) to select the background.

Once selected, use the Gradient Tool (G), setting it to Linear Gradient and choosing the Foreground to Transparent preset in the Options bar. step 15 gradients

Step 7: Textures

I scanned in various watercolor textures that I made. (If you are following along with the provided source file at the bottom of this tutorial, they are included in the layers.) step 16 scanned textures If you are scanning in your own textures in Photoshop, switch to the Move Tool (V), Shift-click on the scanned-in texture and then drag it over into our main document.

(A possible option is to use the Watercolor Textures: Photoshop Brush Pack instead.) It’ll look something like this: step 17 drag texture Now we just want this texture to affect the Hunter. In other words, we want to delete the texture off the Horse and the background. This is also where flatting becomes quite helpful.

Let’s go back to the flats layer, use the Magic Wand Tool (W) to select the background and the horse, and then press Delete. Now our texture is only affecting our Hunter and a bit of his saddle. step 18 crop texture To add more depth, let’s tweak the layer’s Blend Mode and Opacity.

There are many cool effects in the different layer modes, but for this tutorial, we will use the Overlay mode. This is one of my favorites when working with textures. Select the texture layer, set it to Overlay.

Next, lower the texture layer’s Opacity to lessen the intensity — drop the dial back to about 63%. Feel free to experiment. step 19 layer mode This is the most basic way to deal with textures.

Using this method, I dragged over a few more textures into the piece and isolated them to certain areas using our flats. I ended up with this: step 20 all texture Using the method above, complete your textures.

Step 8: Adjustment Layers – The Finishing Touch

The illustration is nearly complete, but it needs a little refinement.

This is when I usually start playing around with adjustment layers. These are great because you can get many different effects without changing the pixels of your image. I want to add a little color in the line art.

The stark black of the line art stands out from the muted palette. Let’s tone it down. Click on the inks layer to make it the active layer, and then click on the Create new fill or adjustment layer icon (it looks like a black and white pie) at the bottom of your Layers panel, then choose Solid Color.

step 21 layer mask Since it has a lot of purple, I want the inks to fit in instead of standing out. I’m going to select a purple color. The entire layer should be filled with the color you have selected.

In this case, purple. step 22 pick color Essentially the adjustment layer is affecting everything beneath it, but we only want to affect the layer directly beneath it (the inks layer). So right-click on the Solid Color adjustment layer and then choose Create Clipping Mask from the menu.

step 23 clipping mask The result should look like the following: step 24 clipped color However, the outcome seems too bright still. Lower the Opacity of the adjustment layer to about 33%. step 25 lower opacity

Step 9: Flatten the Image

This all looks good to me at this point, and I’m going to call it done!

To finish up, let’s flatten the image. Right-click on any layer and choose Flatten Image from the menu that appears. You can also do this from the Photoshop menu by going to Layer > Flatten Image.

step 26 flatten Convert the image from RGB to CMYK for print by choosing Image > Mode > CMYK Color. step 27 cmyk

Tutorial Summary

That’s it! I hope you picked up something interesting in this coloring tutorial.

I talked about several techniques such as cleaning up inks, creating flats, adding textures and using adjustment layers. For inspiration, check out the portfolio sites of these digital colorists:

Download Source Files

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