You will notice that there is quite a bit of variety in how the characters dress. Even though the show features vampires, their attire is not restricted to black. One moment you'll see a character decked out in a skimpy black number and then next you'll see them in some pastel colored frock.
Edit: Check out what True Blood's costume designer has to say about the costumes of True Blood.
Here, we get some fashion tips from two of our favorite vamps on True Blood, Jessica and Pam.
Ah, how can you not love Pam. She is the only vampire who would tell an ancient mthological beast that it owes her a new pair of pumps.