Red star on a red field. The flag of Vietnam also has a yellow star on a red field. North Korea's Red Star operating system takes its name from the communist red star. Socialist countries in Africa also incorporated the red and/or gold star into their heraldry. This practice was also adopted by countries that were formed following decolonial national liberation struggles, which often involved Marxist organizations. Transnistria and the Luhansk People's Republic are proto-states located in Eastern Europe. Due to their historical association with the Soviet Union, they have adopted socialist imagery including the red star into their flags and heraldry.
Flag of Europe yellow colours, and the stars, although of a different number and colour, are a direct reference to those of the European flag. Likewise, Kosovo uses blue, yellow and stars in its flag, which has been mocked as "a none too subtle nod to the flag of the European Union, which is about to become Kosovo's new best friend as it takes over protector status from the United Nations". The flag of the Brussels-Capital Region (introduced in 2016) consists of a yellow iris with a white outline upon a blue background. Its colours are based on the colours of the Flag