How to Paint with Coffee
What if your next cup of coffee ended up on a sheet of paper instead of in your cup? This everyday medium hides surprising pictorial qualities: warm and luminous hues, a transparent effect similar to watercolor, and textural effects that few paints can rival. In this article, we show you how to transform your coffee into a real artistic tool.
Prepare your coffee before painting
Start by making a cup of coffee, or two, in case you feel like drinking one. Avoid adding sugar, and especially not milk: we need coffee in its purest state.
Concentration is a key parameter: the more coffee you use, the darker the resulting color will be. The less you use, the lighter and more transparent it will be.
To ensure that the water and natural pigment integrate properly, you can either let the coffee brew from the day before or boil it normally. Either way, let it cool before you start. Then filter it twice to remove residue, which could cause unexpected stains in the paint.
How to create textures and effects with coffee
Coffee provides many possibilities to enrich your paintings. Here are some techniques to explore:
Use the coffee residue on a napkin to project small, irregular splashes of pigment.
Drop a few grains of salt to create spots in a slightly lighter tone.
Splash the paper with a loaded brush to enjoy the watery quality of the coffee.
Use a dry towel to remove irregular amounts of coffee while it is still damp.
Place grains of rice on the paper, pour a little coffee over them, then remove them once dry: their imprints will remain visible in a lighter tone.
Practice using a brush before you start
Coffee is a watery medium, similar to a light ink or watercolor wash. A few preliminary exercises are useful to familiarize yourself with its consistency, viscosity and drying time.
Soak the brush and draw the longest line possible with a single load, making curves or circles.
Place the brush on the paper and rotate your wrist to form a circle. Repeat until you feel comfortable.
Observe its layering capability
Make a uniform strip of one tone. Once dry, add a layer leaving one area untouched. Repeat to create a scale of values.
Draw a short vertical line. Once dry, cross it with a horizontal line. Continue until you form an asterisk: the darker center will tell you how many coats are needed to achieve this tone.
file name: asterisk-coffee-painting
alt image: painting an asterisk with coffee
Observe how it integrates when wet
Apply a coat of coffee, then add a few dabs while it's still wet. Observe how they dissolve into the initial layer.
Create a spot, then use a dry brush to absorb some of the color and create gradients.
file name: degrade-cafe-peinture
alt image: painting a gradient with coffee
Watercolor techniques applied to coffee
If you already practice watercolor painting, you will immediately recognize the similarities between the two techniques. The basic principles apply here in the same way:
- Work on heavyweight paper, moistened beforehand.
- To convey light, preserve white areas of the paper.
- Apply wet-to-wet and wet-to-dry principles.
- Work in layers, letting each dry before the next.
How to paint a floral design in coffee
Prepare your sketch, then remove the excess graphite with a kneaded eraser. Then dampen the paper, either by completely immersing the sheet and letting it dry flat, or by applying an even layer of water with a brush on a support that is fixed around all the edges.
Prepare two strengths of coffee: one very strong and one weaker. Since this is a small painting, only prepare what you need to avoid waste.
Before you begin, pour a small amount of light coffee onto the paper to create a rough stain, diluting it slightly to keep it transparent.
Take a loaded brush and tap it with another to project a few drops, and use a dry brush to create soft gradients.
Start at the petals with the light coffee, using the natural shape of the brush. While it's still wet, add a little pigment at one end to create a nice gradient.
For leaves and different textures, use a damp brush loaded with clean water to remove excess coffee and reveal patterns and lines in a lighter tone.
Then move onto the stems using the dark coffee: load your brush, remove the excess, then draw straight lines varying the thickness. While it's still wet, add a little more pigment to the base to darken it.
Coffee is undoubtedly the most accessible medium there is: it's in your kitchen, it costs next to nothing, and it has surprises in store every time you use it. What is fascinating about this technique is that it encourages you to look at everyday things differently: what if your next artistic material was already hiding in your cupboards? Go ahead and let coffee surprise you.