The stronger the acid , the more proton it tends to drop. Then the tendency of the acid-binding base to bind to protons is very low. That is, it is mildly alkaline. Conversely, mild acids are less prone to proton depletion, so mild acid binding bases are more likely to bind to protons. As a result it is highly alkaline. Thus the acid-binding base is mild and the mild acid-binding base is intense.