You can travel with valid Yugoslav passport until December 31, 2011. But you should note that you will need visa for most of the countries if you travel with such passport. It would be wisest thing to replace Yugoslav passport for new Serbian or Montenegrin passport.
The british diplomatic passport colour is red as ordinary passport, but diplomat mantioned in the passport
Red
I like the burgundy red color of the German passport.
A Yugoslav is a person from or associated with Yugoslavia.
There is no "African Passport". Africa is a continent, not a country. Countries issue passports.
green
Yugoslav Railways was created in 1945.
Yugoslav Left was created in 1994.
Yugoslav Navy ended in 1991.
Yugoslav Front happened in 1945.
white with green spots. STOP MAKING YOUR OWN PASSPORT!