Oliver Bennett
Why Most Mixed Greens Look Wrong
Every printmaker has a drawer of failed greens. You mix what looks like a convincing leafy tone on the palette, roll it out, pull a proof, and get something that reads as washing-up liquid or a plastic fern. The fault is almost never your pigments. It is the ratio, and the assumption that foliage is a simple blend of one blue and one yellow.
Real leaves are rarely pure. They are greyed, warmed, and full of quiet variation. A sycamore in September, a fern in a Sheffield back garden, a eucalyptus sprig — none of them sit anywhere near the bright green you get from a fifty-fifty mix. Once you accept that green is a three-part mix rather than a two-part one, everything becomes calmer and far easier to repeat.
Start With a Base Ratio You Can Trust
Begin with roughly four parts yellow to one part blue by volume, then adjust in small increments. Blue is enormously strong; a brush-tip more can shift the whole mix. If you are mixing with a palette knife, work in dollops rather than drops so you can count what you have done and do it again next week.
Mix on a white surface, not a stained one. Old colour on a palette will drag your new green towards mud, and you will spend ten minutes chasing a tone that was never quite there. Scrape the palette clean between batches and keep a spare tile or sheet of glass for the final adjustments.
Choose Your Blue and Yellow Deliberately
The character of a green comes almost entirely from the pair you pick. Different combinations give you completely different plants.
- Phthalo blue with lemon yellow — a sharp, cold, almost acidic spring green. Excellent for new shoots and hosta leaves, but it needs a touch of earth tone before it will sit comfortably on paper.
- Ultramarine with yellow ochre — the workhorse pair for British hedgerow foliage. Soft, slightly dusty, and endlessly workable. This is the mix to build most of a botanical print around.
- Cerulean with cadmium yellow — chalky and opaque, good for grey-green leaves such as lavender, sage or sea kale.
- Ultramarine with lemon yellow — a cooler, bluer green that reads well in shadow areas and for anything growing in shade.
Whichever pair you use, keep it consistent across a whole edition. Swapping blues halfway through a run is the fastest route to a set of prints that will not sit together.
Use Earth Tones to Take the Edge Off
This is the step most makers skip, and it is the one that turns a flat green into foliage. Add earth colours in tiny amounts at the end of mixing, not the beginning.
- Yellow ochre warms a mix and softens it without dulling it. A speck the size of a grain of rice is plenty for a walnut-sized batch.
- Burnt sienna pushes a green towards olive and gives a lovely late-summer feel.
- Raw umber darkens and cools at the same time, ideal for the underside of leaves and stems.
- A trace of deep red or purple neutralises an acid green beautifully. Add less than you think — a pinhead will do.
The aim is not to see the earth colour, but to stop the green from shouting. If you can name the additive in the finished print, you have gone too far.
Keep a Swatch Record for Repeatable Results
Consistency comes from notes, not memory. Every time you land on a green you like, paint or roll it onto a small card and write the recipe beside it: parts, pigments by name, medium, and paper. Let the swatch dry fully before you judge it, because both ink and paint shift noticeably as they cure.
Mix more than you need for a single print. Running out mid-edition and remixing from memory almost always produces a visible jump between print nine and print ten. If you have surplus, store it in a sealed container with a scrap of paper listing the mix — useful for the next print in the series.
Proofing Greens at Home
If you print digitally at home, remember that your screen lies. Greens are the worst offenders, and a colour that looks rich on a monitor often prints thin and yellow. Run a test sheet of green patches on the same paper you intend to use, then hold it next to your wet mix under daylight. A north-facing window is the best judge you have; warm bulbs at night will flatter everything.
Paper tone matters enormously. A cream or off-white stock will pull greens warmer and slightly duller, while a bright white makes them cooler. Print a cheap calibration sheet on copier paper first, then switch to your good stock once the mix is right. Whether you are pulling lino blocks or feeding a home printer, the discipline is the same: mix deliberately, record honestly, and let the greens be a little quieter than you instinct tells you.
