In a small bowl, whisk yogurt, ginger, salt, pepper, lime, sugar, and oil. Set aside.
In a large bowl, toss cabbage, scallions, pineapple, and almonds. Pour the yogurt mixture over the top and toss to combine, making sure all of the cabbage is coated.
Cover and place the dressed slaw in the refrigerator to allow flavors to blend for at least 1 hour before serving.