ocr: Dark Beer Permentation Time. 5-15 days Permentation Temp. 45°-55°F AlCOnOlIC content 3.0-50DY weignt Color (Hue) BrowR A dark lager beer is brewed in a similar process as light lagers, but the beer is brewed with a roasted barley malt. Some breweries cut corners on their dark beer and add roast barley malt extract, or worse, caramel coloring. These dark lagers are generally a deep brown color with the sweet taste associated with dark malt.