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.
Macbeth's very opening line is So foul and fair a day I have not yet seen :so many men have been slaughtered in battle, yet he has achieved a great victory. The words are echoed by the witches in the form, Fair is foul, and foul is fair: / Hover through the fog and filthy air. Witches at that time were creatures of the night and the devil. They gravitate to what is foul and shun the fair (as Dracula hides from the sun centuries later).