The Madagascar flag was officially adopted on October 14, 1958.
Red, white and green are the original colors of the ancient Kingdom of Madagascar, and green is reflective of the country's former peasant class (the Hova).
Madagascar Coat of Arms:
The national seal of Madagascar contains a map of the island set in a white circle with the head of a Zebu below and green and red rays emanating above (representative of the sun).
Presidential Standard of Madagascar
National flag of Madagascar olivier_lejade at en.wikipedia