>> Speed up your color fill >>

This is a Photoshop Action File which allows you to add flat colors to your line art, quickly and accurately. Well suited for both clean linework and rough linework. This action spreads your colors under the lines and fills in the gaps. It also automatically generates and alpha channel to keep the background transparent. 

Check out the demonstration video: https://www.youtube.com/watch?v=mvdx4xZxMRk