Sometimes there are stray pixels that were left blank, but I usually leave those for later. From there, it's just lather, rinse, repeat. Each color has those two shades, so I just go through each panel and fill in that area (the thief's cloak, the girl's sweater, etc.) until all of the areas are filled.
Now, there is one final color operation, which has to do with those stray pixels I was discussing earlier. Remember them? These guys—
gimpmagazine.org
STEP 6 - FIXING STRAY PIXELS
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