Do you think about how you choose your color palette for a series? Honestly, sometimes I just grab whatever colors I have at hand. However, if I am creating a body of work for a show, I like to be more conscientious and make some decisions before I get started. This helps me create with more ease and freedom, as my palette is limited and I know that all my paintings will coordinate.
Actually, taking an afternoon to mix up some colors is lots of fun, and I encourage you to give it a try. If you do, let me know how it goes!