My little dog Gracie is a Silky. What color jacket should I get her this year?

My little dog Gracie has outgrown her jacket from last year! It was a pink one with little hearts on it. I don't know what color to get her this year. She always digs in the back yard and I don't want a color that will be hard to get all the dirt out of. Plus I love taking her to the barn every now and then.