Colored Pencil Technique Practice

This was an example of a technique I wanted to try for coloring an image without staring at a computer for 3 hours at a time...

And it didn't quite work out. I thought I'd go ahead and post it anyway since everything that's awesome starts somewhere, and my starting point seems to be a little further along than some. 

The character shown here is one i made up, simply for the sake of having a character, called Chartreuse. The gun she's holding looks kind of awful...but That's the price I pay for trying to design it on the spur of the moment with no real experience with the drawing of technical weapons.