
Basic Coffee Roasting: Light, Medium, and Dark Roasts | 2026 Beginner’s Guide
Adapted from the Rubasse Official Guide: “Basic Coffee Roasting Newcomer Guide,” with supplementary insights on Agtron color measurement and crack interpretation. Introduction to Coffee Roasting The flavor of a cup of coffee is determined by three core elements: the quality of the green beans, the roasting technique, and the extraction method. Among these, the green coffee itself is the most critical factor—or as the saying goes, “the more expensive, the better the taste.” Today, however, we will focus on the…








