Brazil has a green flag with a blue circle inside a yellow diamond.
The country with a green flag and yellow diamond is Brazil. The flag features a green field with a yellow diamond in the center containing a blue circle with 27 white stars arranged in the pattern of the night sky over Rio de Janeiro on November 15, 1889.
cameroon
No.
Red on top, yellow in the middle & green on bottom, with a black star in the middle of the flag.
pallou Palau has a blue flag with a yellow circle.
That's the flag of Barbados .
Lithuanian flag has yellow, green and red horizontal stripes.
Red(top)yellow(middle)and green(bottom)
red yellow w/ symbol in the middle green
poland
The flag you are referring to belongs to the country of Guinea. It is comprised of three horizontal stripes in the colors of red, yellow, and green.