The Hunger Games costume contain of two sides. The one is district citizen costume, which are simple yet usual look.  And the other is Capitol citizen costume, which are couture in psychedelic colors.
The Capitol costume are more like a couture show,  the dress, the hair do, the make up are absolutely stunning. It will remind you to Jean Paul Gaultier and Chanel with little bit Alexander McQueen touch.
My favorite is Effie Trinket look (played by Elizabeth Banks) 
Thanks to Judianna Makovsky, the costume designer.

The Tributes 

The District Citizen 

 The Capitol Citizen 

The Men

Lenny Kravitz with gorgeous gold eye liner

Stanley Tucci with blue hair and eyebrow

Wes Bentley cool beards