Kazakhstan has blue flag with yellow sun: http://en.wikipedia.org/wiki/Flag_of_Kazakhstan
The green and yellow flag with a red star is the national flag of Brazil. It represents the country's natural resources (green and yellow) and its history as a former Portuguese colony (red star). The flag is a symbol of Brazil's identity and sovereignty.
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.
It is not Ireland, Ireland has green white and orange stripes.
It is of red color with yellow stars on north west of flag.
califorina
Argentina
A country whose flag has the colours green, white and red
Human Rights Campaign
Kazakhstan has blue flag with yellow sun: http://en.wikipedia.org/wiki/Flag_of_Kazakhstan
White with a yellow, human faced sun centered on it.
yellow flag by itself means healthy yellow flag flow with another means quarantine
There's no yellow on the Chinese flag
The yellow on the Jamaican flag stands for the SUNSHINE
what does the yellow star on the flag mean
The colors of the Swedish flag are blue and yellow.
By the sounds of it, if the black is on top and red on bottom, it is the Australian sub-national flag of the Aboriginal Peoples'.