Coffee roast levels explained

Walk into any coffee shop or browse any roaster’s website and you’ll likely encounter the terms light, medium, and dark roast. They’re among the most common ways coffee is described — but they’re not always well explained, and there are no strict definitions for where one ends and another begins. Think of them as general guides for how a coffee has been roasted, rather than fixed categories.

The roasting process

Coffee starts life as a green bean — dense, grassy, and undrinkable. Roasting transforms it. As the bean heats up, moisture escapes, sugars caramelise, and hundreds of flavour and aroma compounds develop. The further the roast develops, the more the bean changes. Roast level is essentially a record of how far that transformation has gone.

Light roast

Lightly roasted beans are taken out of the roaster before they’ve had a chance to develop too far. They retain more of the bean’s original character — which means the flavours you taste are more directly influenced by where the coffee was grown: its climate, altitude, variety, and processing method.

Light roasts tend to be brighter and more complex, with higher acidity and delicate flavour notes — fruit, floral, or tea-like qualities are common.

Medium roast

Moving further along the spectrum, medium roasts develop more body and a rounder, sweeter flavour profile. Some of the brighter, more origin-driven notes start to become muted, and roast-derived characteristics come through more prominently — think chocolate, caramel, nuttiness, and deeper sweetness, often with a little more bitterness as well.

Medium roasts strike a balance, and for many people they’re a familiar and comfortable starting point.

Dark roast

At the darker end of the spectrum, the roast itself becomes the dominant flavour. As roasting continues, roast-derived flavours come to the forefront, with bold, bitter, and smoky notes often taking centre stage. Body is typically heavy, acidity is low, and individual origin characteristics are largely obscured.

Dark roasts have a long history and a loyal following, but they’re less common in speciality coffee circles, where the focus tends to be on showcasing origin character rather than developing roast flavour.

Our approach

At Handful, we roast on the lighter end of the spectrum. We do this because we want to let the coffee speak for itself — keeping roasty notes in the background while highlighting the natural flavours and characteristics of each coffee and celebrating what makes one coffee taste different to another.

If all you’ve ever had is darkly roasted coffee, we recommend giving something a bit lighter a go — the difference in flavour can be surprising.