Crab Salad with White Beans and Gourmet Greens

1/3 cup chopped yellow bell pepper 1/3 cup chopped red onion 1/4 cup chopped celery 2 tablespoons white wine vinegar 1 tablespoon fresh lemon juice 1 tablespoon olive oil 1/4 teaspoon salt 1/8 teaspoon hot sauce 2 (6-ounce) cans lump crabmeat, drained 1 (16-ounce) can cannellini beans or other white beans, rinsed and drained 6 cups torn gourmet salad greens