Can't get away for a southern vacation this year? Don't despair -- plan a sunny Mexican style refresher for your patio décor and enjoy the festive atmosphere of a hacienda at home this summer.As with every other decorating style, Mexican décor has its own basic elements.ColorThe predominant color in the sunny Mexican look is yellow -- bright, cheery and warm. If you're lucky enough to be working with an outdoor space that abuts a stucco house exterior, consider painting the stucco yellow or soft.