Savory Coleslaw

1 cabbage , shredded

2small carrots , grated

1 red pepper, finely diced

1 cucumber , peeled, finely diced

1⁄4 red onion, finely diced

2stalks celery, finely diced

1 1⁄4 cups light mayonnaise

2tablespoons olive oil

2tablespoons wine vinegar

2teaspoons Dijon mustard

1⁄2 teaspoon sugar

fresh ground black pepper