A euphemistic term we use often to describe acidityAcidity is a positive flavor attribute in coffee, also referred to as brightness or liveliness. It adds a brilliance to the cup, whereas low acid coffees can seem... in coffee. A bright coffee has more high, acidic notes. : A euphemistic term to describe acidity in coffee. A bright coffee has more high, acidic notes. Not to be confused with the brighter roast flavors of light roast levels, such as City to City+City+ roast is an ideal roast level that occurs roughly between 425 and 435 degrees Fahrenheit in many coffee roasters with a responsive bean probe where First Crack... roasts. Read more about acidity to understand its use as a flavor term, not in reference to the quantity of acidity in coffee.