The Science of Coffee Color: Why Roasters Are Rethinking Their Craft
Consider this your morning briefing: The difference between great and exceptional specialty coffee often hinges on seconds of adjustment during the roasting process. While temperature curves have long guided roasters, coffee color—measured via spectrophotometers or Agtron meters—reveals a more precise snapshot of roast development. Yet this critical metric remains shrouded in ambiguity, with no universal standard to unify the industry. For roasters, the stakes are high: misaligned color readings can mislead customers, distort flavor profiles, and erode trust. Here’s what you need to know. Color analysis is the missing piece in the roasting puzzle. As beans transition from green to…




