when you were a kid and your teacher kept telling you to
color inside the lines?
Yeah, I didn't pay much attention to that either :)
At any rate, here is one instance where you will actually
want to do so. You've created a nice design. It would be
a shame to screw it up by scribbling all over the place.
Adding color to a banner is just like painting any other
model. You want to lay down a basecoat of colors first,
in the areas where they are needed. You'll notice I painted
most of the banner in blue, the trim is in yellow, and the
design has been painted in base colors as well. The black
lines are still barely visible beneath the base colors,
which is good.
We're looking for good coverage at this point, and the
black lines showing through the base coat let us know we're
on the right track. Don't worry, we'll darken them again
in a future step.