1 When you first get a bruise, it's kind of reddish as the blood appears under the skin.  Within 1 or 2 days, the hemoglobin (an iron-containing substance that carries oxygen) in the blood changes and your bruise turns bluish-purple or even blackish.
balmy-mild and pleasant; balmy days and nights; the climate was mild and conducive to life or growth; a soft breeze. mild, soft. clement - (of weather or climate) physically mild; clement weather.
The other two definitions you give are fine, but not this one! Although it sounds the same, the word required to match these definitions is barmy. It means anything from slightly crazy to very foolish.It used to drive me barmy._________________Inside every old person is a young person wondering what happened. Terry Pratchett.