Bloomberg subscribers can gift as much as 5 article content per month for anyone to read through, even non-subscribers! Learn more It is important to notice that blue and yellow flags will not be exceptional to countries. Quite a few cities, regions, and also businesses use flags of these colors. https://blueandyellowflagsoftheworld.blogspot.com/2022/11/flags-of-countries-with-green-and-red.html