This is because the longer roasting time that produces the dark color of these beans forces the oils out, giving them a reflective sheen. In every other way though, light roast coffee is actually stronger than dark roast. What gives? What About Super Dark Roast Coffee?
Does dark roast coffee really have more caffeine?
What is the difference between light and dark roast coffee?
Light roastHighest level of caffeine by volumeVery flavorfulFruity and floral flavorsVery mildCan be acidic
Is light roast coffee better than dark?
When it comes to flavor and aroma, light roast coffee is actually better tasting while caffeine content is the same whether you use dark or light. Dark wins in terms of an earthier, more bitter and smoother flavor with a lot less acidity while light roast wins for having a brighter, more flavorful profile. What does it all come down to?