Be aware of every square millimeter of your frame.
Forget what it was. Look at what it is.
Sometimes without shooting a picture germinates in your head. Other times, you keep taking pictures of the same thing and watch the images mature and grow.
Allow yourself to lose your way.
It's important to realize that the images are everywhere, not just where you want or expect them to be.
There really isn't anything that you could call 'bad' color. It all has to do with the amount of color you use and in what context it appears.