ocr: Judging Appearance Examining the beer in a light setting, evaluate: Clarity - a cloudy or hazy appearance is a flaw in most beers, except nomebrews and wheat beers. Color - the hue should be appropriate for they type of beer being evaluated-yellow for American lagers through reds and ambers to an almost opague black for thicker stouts. Head - a thick & dense head is desirable for a well-made beer, although external tactors such as temperature and altitude can affect head; cold reduces head and high altitude increases it. Bubbles - small steady bubbles indicate natural carbonation while large b ...