When he was about 60 years old, St. Patrick travelled to Ireland to spread the Christian word. Green is associated with Saint Patrick's Day because it is the color of spring, Ireland, and the shamrock
St Patrick wore those color robes. That's the only reason, people have probably tried to dig deeper symbolism such as color of shamrock or color of snakes but it is due to St Patrick wardrobe
It was originally blue, but over the years people started wearing green instead.
Green is the color of Ireland and, now, Saint Patrick. His original color was blue.
Green
green and purple
Emeralds are green. Ireland is green. Shamrocks are green. Green is the color of St. Patrick
The color green for Ireland stands for the official color of Saint Patrick. In the United States, the color green symbolizes jealousy.
Green is the traditional color for St. Patrick's Day.
No it was blue
Green.
Green is associated with St. Patrick, not red.
Green and gold