Mine HAS to be a red one, too! Like I need more hummingbird color magnets ...
.... but I love red and my garden bed flowers are predominately red. Red is MY garden color! In fact, I just repainted one of my raised bed frames a dark brownish-red. (Daylily seedling bed.) This is the color it used to be:
http://garden.org/thread/view_...
And this is the color it is now. Notice all the red blooms in the background. It's all about what attracts the hummingbirds afterall.