But any commemorations would include the color blue. The Dublin Evening ... flag of Ireland has been the official flag. Green represents the Catholics, orange represents the Protestants, and ...

However, due to production constraints, the hot pink and turquoise stripes were later removed, resulting in the six-color flag we know today: red, orange, yellow, green, blue, and violet.

St. Patrick’s Day usually conjures images of partying, Catholicism, Irish nationalism and, perhaps most famously, the color green: green clothes, green shamrocks, green beer and green rivers.