The most recent addition to the ColorFlex EZ family of products, the ColorFlex EZ Coffee is specifically built to meet and exceed your needs in measuring the color of roasted coffee grounds. Every ColorFlex EZ Coffee comes with 60 years of color quality control experience and innovation by HunterLab, the world's true measure of color.Coffee color scales provided in firmware include: HunterLab Coffee Color Index (HCCI) SCAA Number SCAA Roast Classification