“Multiply” coloring

This tutorial can be used in Photoshop and/or any graphic edition software that supports  “Multiply” layer mode.

This, imo, is the easiest way of coloring; easiest one being celshading, but you can also do other kinds of colorings llike this. You can also use this quick method to test the lightsource on a picture quickly before shading with another method.

- First you need a lineart.
I linearted quickly a piece of a doodle I had on my sketchbook of a generic dragon girl from Ishtera.
Image

- Now you need to lay down your flat colors on a new layer, underneath your lineart.
Image

- Now, duplicate your flat color layer, fill it with white (make sure to keep your “preserve transparency” checked!) and set it to “Multiply”. Filling it whith white in Multiply makes it transparent, so you won’t see any difference now.

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- Now here it comes the nice part. Pick a light desaturated color, something pikish or purpleish or blueish. Make sure your background color is white.

- Shade as you normally do! (celshading, softshading or whatever). You can go back to your flat colors layer and sue them as a selection template for the different areas. Switch back and forth between your shading color and white pressing “X” to “erase” the shaded areas and make them transparent again, in case you need it. You can use a darker shade of… that desaturated color you’re using to make darker details. If it’s easier for you, you can always set your shading layer to “Normal” to see how it looks without the colors underneath.

- Add the extra details (highlights, etc) and it’s done! :D

- Now, for an “extra” touch, that work better with celshaded images, duplicate your flat colors layer, select one area of the picture (say, the shirt) and pick a darker color (in this case, a darker purple). Use the gradiet tool and make sure it’s set to use the front color fading to transparent and it’s set to Normal.
Now drag to add a gradient from the bottom :3

Repeat with every area as you see fit and you’ll have something like this ^^

tada :D