Because they feel like it and it makes them feel sexy
That's stupid. Peolple just like the color green. There really is no explanation for it.
green and yellow
They wear something green, but your whole outfit doesn't have to be green.
In modern-day Ireland they wear any color they like. The stereotypical Irish color is green.
green
My favorite color is green and I feel sexy when I wear it.
green
They wear Teal. Teal -> Green + Blue= Teal
green!
purple
green!
Green
GREEN. He loves the color green. So wear green on 13th of September. That is when he birthday is. Don't forget to wear green, tomorrow.