Combine the cabbage, carrot, red onion, green onions, and chile in a large bowl. In another bowl, mix the mayonnaise, mustard, vinegar, lemon juice, and sugar; stirring to incorporate. Pour the dressing over the cabbage mixture and toss gently to mix. Season the cole slaw with celery seed, hot sauce, salt, and pepper. Chill for 2 hours in refrigerator before serving.