Morals are principals and guidelines, generally agreed upon by society and humanity, i.e., Do not commit murder. Ethics is the weighing of factors to make a decision; both actions may be contrary to morals i.e., do we bomb ISIS, which will kill people, or let them go unchecked?, but one must be chosen, or both are good, which one is better?
Values are a personal decision about the relative ranking of morals. Some would argue that following a strict religious code is paramount; others would argue that each person’s conscience is important, even if it is contrary to a particular religion’s central belief.