Krispy Kreme offers free doughnuts, introduces 4 new flavors in honor of St. Patrick's Day

Doughnut fans might be feeling lucky this St. Patrick's Day.

That's because Krispy Kreme is introducing four new doughnuts and bringing back the popular O'riginial Glazed Doughnut in honor of the holiday.

Customers can get the new St. Patrick's Day-themed doughnuts beginning March 11 and for a limited time at participating shops across the U.S., Krispy Kreme said in a news release Monday.

The O'riginal Glazed Doughnut is exactly what it sounds like – an original Krispy Kreme doughnut gone green.

An Original Glazed Doughnut dipped in green icing, rainbow explosion sprinkle blend and topped with a buttercream cloud

Luck of the Rainbow Doughnut:

An unglazed shell filled with cookies & Kreme filling made with Oreo cookies, dripped in white icing with green drizzles and St. Patrick's fusion sprinkles

Shamrock Cookies 'N Kreme made with Oreo Cookies:

An Original Glazed doughnut dipped in light green icing with a green icing swirl, topped with a shamrock sugar piece

Shooting Shamrock Doughnut:

The four new doughnut flavors are available in-shop and for pickup or delivery via Krispy Kreme's app and website, the company said.

Customers can also find the collection in Krispy Kreme 6-packs delivered to select grocery stores.