Pencil line art often turns out very light when scanned into the computer. This often leads to problems when colouring these pieces, since the lines can be so faint they often are just barely visible. Photoshop is a powerful software program that offers many different tools for editing and improving images. The process of darkening line art can seem tricky, but it is very simple to execute with a little bit of practice.
- Skill level:
- Moderately Easy
Things you need
Launch Photoshop and open your scanned image.
Click on "Image" in the menu bar at the top. Hover over the "Mode" menu and click on "Grayscale" to change the image to grey scale. Click on "OK" when asked to "Discard colour information."
Click on "Image" in the menu bar at the top. Hover over the "Adjustments" menu and click on "Levels" to open the level adjustment window.
Click on and hold the solid black slider found on the left underneath the graph. Drag it toward the right until you are satisfied with the line colour. Click on "OK."
Select the "Brush" tool from the tool palette and ensure that you are working with pure black and pure white by clicking on the two colour squares found at the bottom of the tool palette.
Paint over any speckles or lines that you do not want in the finished line art using white. Paint over any spots in the line art that have white speckles using black.
Double click on the "Background" layer in the layers palette and rename it to "Line Art." Click on "OK."
Click on "Select" in the menu bar at the top, and then click on "All" to select your entire image. Click on "Edit," and then click on "Copy" to copy the image to your clipboard.
Click on the "Create New Channel" button at the bottom of the channels palette. The button looks like a sheet of paper with a folded corner.
Click on "Edit," and then click on "Paste" to paste the image into the newly created channel.
Hold down the "CTRL" key on a PC, or the "Command" key on a Mac, and then click inside the thumbnail for the channel you have just created in the channels palette. This will select the white parts of your image.
Click on the layer named "Line Art" in the layers palette to select it. Press the "Delete" or "Del" key on your keyboard. This will remove the white and leave you with just the line art. Click "Select" in the menu bar at the top, and then click "Deselect" to deselect the lines.
Click on "Image" in the menu bar at the top. Hover over the "Adjustments" menu and click on "Levels" to open the level adjustment window again.
Replace the "0" in the first of three boxes labelled "Input levels" with a "200" and click "OK."
Click on "Image" in the menu bar at the top. Hover over the "Mode" menu and click on "RGB" to change the image to colour mode.
Tips and warnings
- Make sure your line art is as clean as possible before you scan it into the computer.
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