Acrylic Painting Explained: The Medium, the History, and Why It Suits Nairobi

Walk through any contemporary art space in East Africa and acrylic is probably the medium doing most of the heavy lifting on the walls. It's not the only one, and it's not automatically "better" than oil or watercolour or anything else — but it's the workhorse, and there's a real, specific reason for that beyond just "it's cheaper," even though it usually is that too.

What acrylic actually is, chemically

Acrylic paint is pigment suspended in an acrylic polymer emulsion — plastic, essentially, dissolved in water while it's wet, and left behind as a flexible plastic film once the water evaporates. That's the whole trick. Oil paint dries through a slow chemical reaction with air (oxidation) that can take days for the surface and months or years to fully cure all the way through. Acrylic dries through simple evaporation, which is a much faster and much more mechanical process — water leaves, polymer film stays.

That single difference explains almost everything else about how the two media behave differently in practice.

Where it actually came from

Acrylic isn't as old as people assume. Oil paint has been the dominant Western painting medium since roughly the 15th century; acrylic didn't exist in any usable form until the 20th. The earliest version was a solvent-based paint called Magna, developed by Leonard Bocour and Sam Golden — yes, that Golden, as in Golden Artist Colors, one of the two brands that still dominate the acrylic shelf today. But Magna needed turpentine to thin and clean up, which defeats a lot of the point.

The real breakthrough came from a chemist named Henry Levison, who ran a company called Permanent Pigments in Cincinnati. By 1955 he'd worked out a commercially viable *water*-based acrylic and launched it under the name Liquitex — first as a gesso, then in 1956 as an actual "Soft Body" acrylic paint line. That's the moment acrylic became what we'd recognise today: a paint you could thin, clean, and work entirely with water, no solvents required. Seventy years on, Golden and Liquitex are still the two names most working painters reach for first, which is a fairly remarkable run for a product category.

Acrylic versus oil, in practice, not theory

The drying-time difference isn't a minor footnote — it changes how an artist actually works. A thin layer of acrylic is touch-dry in somewhere around 10 to 30 minutes, depending on humidity and how thickly it's applied. That means an artist can layer colour on top of colour in the same sitting, build up texture fast, and correct mistakes by painting straight over them within the hour. Oil, by contrast, can stay workable — "open," in painter's terms — for days, which is exactly why some artists prefer it: you can blend wet colour into wet colour for soft transitions that acrylic makes genuinely difficult once it's started to set.

Neither is the "right" choice. Acrylic rewards speed, spontaneity, and an artist who thinks in layers. Oil rewards patience and blending. A lot of working East African painters use acrylic specifically because gallery and exhibition timelines don't always allow for a painting that needs three weeks to be handleable — a finished acrylic work can be varnished, framed, and hung within days of the final brushstroke, where an oil painting of any real thickness often needs to sit for months before it's safe to varnish at all.

The techniques that only really work because it's acrylic

A few distinct approaches exist almost entirely because of how acrylic behaves, and recognising them helps you understand what an artist was actually doing technically, not just aesthetically.

**Pouring and fluid art** — thinning acrylic paint down to a consistency close to cream or thin syrup and letting it flow across a surface, sometimes tilted by hand, sometimes left to settle — depends entirely on acrylic's water solubility and the specific "pouring medium" additives that keep colours from muddying together as they mix. Oil simply can't do this the same way; it doesn't thin with water and doesn't self-level in the same fluid, cell-forming patterns that give poured acrylic work its distinctive marbled or cellular look.

**Staining**, where thinned paint soaks directly into raw, unprimed canvas rather than sitting on top of a sealed surface, produces a flat, dye-like effect with no visible brushwork at all — associated historically with artists like Helen Frankenthaler and Morris Louis, and still used by painters chasing that soaked-in, almost watercolour-on-canvas quality that acrylic's water base makes possible in a way oil's oil base doesn't.

**Dry-brushing** — loading a brush with barely any paint and dragging it across a textured surface so it catches only the raised parts — works particularly well with acrylic because the fast set time locks the broken, scratchy texture in place almost immediately, rather than the paint continuing to slump and even out the way a slower-drying medium might.

None of these are "better" than a straightforward brushed application — they're just different technical choices, each one leaning into something specific about how this particular medium behaves.

Why it's usually the more affordable choice, materially

There's a cost dimension worth naming plainly, because it affects pricing on both the artist's and the buyer's side. Acrylic paint is generally cheaper to manufacture and buy than artist-grade oil paint — no need for the slower-curing oil binders or the solvents (turpentine, mineral spirits) that oil painting requires for thinning and cleanup, which are themselves an ongoing cost and, in a home studio, a ventilation and safety consideration acrylic simply sidesteps.

That lower material cost, combined with a faster turnaround from first brushstroke to a sellable, framed piece, tends to translate into more accessible pricing for buyers too — not because the work is worth less, but because the artist's cost and time investment per piece is often genuinely lower. This is part of why acrylic dominates the more accessible end of a lot of East African contemporary art markets, without that being any kind of quality signal one way or the other.

Living with an acrylic painting day to day

Care for a finished, varnished acrylic piece is fairly low-maintenance compared to some other media, but a few things are worth knowing. Dust with a dry, soft brush or a barely damp microfibre cloth — never a wet one, and never any household cleaning spray, which can cloud or damage both the varnish layer and the paint film underneath. Avoid hanging an acrylic piece anywhere it'll see direct, sustained sunlight for years on end; the polymer film itself is fairly stable, but pigments can still fade under prolonged UV exposure regardless of the medium carrying them.

One quirk specific to acrylic: because the dried film stays slightly flexible rather than becoming fully rigid the way old, fully-cured oil paint does, it's more tolerant of being rolled for transport (carefully, paint-side out, never creased) than a thick oil painting would be — genuinely useful if you're shipping or moving a piece any real distance, though a varnished, framed painting should still always be your first choice for long-term hanging over an unstretched rolled canvas.

The part nobody mentions: how this plays with East African weather

Here's a genuinely useful, somewhat under-discussed angle: acrylic's fast-dry chemistry interacts with equatorial climate conditions in ways that actually matter if you're painting — or buying — in a place like Nairobi.

Heat speeds up evaporation, so acrylic dries even faster here than it would in a cooler, damper climate — sometimes uncomfortably fast, to the point that some artists work with retarder mediums specifically to slow it back down and keep it workable. That's a real, practical adjustment East African acrylic painters make that isn't part of the standard technique guides written for temperate climates.

On the flip side, that same fast-dry property is a genuine advantage against one of the specific hazards flagged for artwork stored or displayed in East African conditions: dry-season dust. A wet oil painting can stay tacky enough to catch airborne dust for days, embedding grit directly into the paint film. A wet acrylic painting's vulnerable window is closer to half an hour. That's not nothing — it's a real, if underappreciated, reason acrylic tends to hold up a little better through the practical realities of working and drying art in a dusty city.

Once a piece is finished and framed either way, the same long-term risks apply regardless of medium — humidity, UV, dust on the surface over years rather than minutes. If you're buying or storing acrylic work, the same conservation basics that apply to any painting in this climate still apply here: stable conditions, UV-filtering glazing where possible, and keeping framed pieces away from bathrooms, kitchens, and exterior walls where humidity swings hardest. [ArtCollect's guide to art conservation in East African climates](/journal/art-conservation-101-preserving-art-in-east-african-climates) covers that ground in more depth if you're building a collection rather than buying one piece.

What to actually look for when buying acrylic work

A few things separate a well-made acrylic painting from a merely adequate one, if you're evaluating a piece rather than making one.

Texture control is a good sign of skill — because acrylic dries so fast, an artist who's built up real impasto (thick, textured paint) without cracking has managed the drying process deliberately, layer by layer, rather than just piling paint on. Cracking in thick acrylic usually means it was applied too fast, in a layer too thick to dry evenly, which is a technical shortcoming worth noticing before you buy.

Colour shift is the other thing to watch for. Acrylic dries slightly darker than it looks wet — a subtle effect, but a real one, and it means a piece photographed while still wet can look meaningfully different in person once fully cured. If you're buying from images alone, it's worth asking whether the photos were taken after the work had fully dried, particularly for anything with strong colour as the main draw.

And varnish matters more with acrylic than people expect. Unlike oil, which develops a natural sheen as it cures, acrylic dries with a slightly matte, sometimes uneven surface unless it's been varnished afterward — a final varnish layer isn't decorative, it's protective, sealing the porous acrylic surface against exactly the dust and UV issues covered above. A finished acrylic piece without any varnish is more vulnerable to surface grime over time than one that's been properly sealed.

A couple of mistakes worth avoiding as a buyer

Beyond texture, colour shift, and varnish, two smaller things trip up first-time acrylic buyers. The first is touching a piece to "check if it's dry" — even a painting that's been finished and delivered can have thicker areas of impasto that take considerably longer to fully cure all the way through than the surface suggests, sometimes weeks for very heavily built-up passages, even though the surface itself feels dry to the touch within the hour. A fingerprint pressed into paint that looks finished but hasn't fully cured underneath is a genuinely common way brand-new acrylic work gets damaged, and it's rarely obvious until it's already happened.

The second is assuming poured or fluid acrylic work is somehow less durable than traditionally brushed painting because of how thin and glossy it often looks. It isn't — once cured and properly varnished, a poured piece is just as stable as any other acrylic work. What does matter is whether it was poured on a rigid support (wood panel, properly primed canvas board) rather than a loose, unstretched canvas, since thin poured layers are more prone to cracking on a surface that flexes than a well-built-up brushed layer would be. If you're buying fluid or poured work, it's a fair question to ask what it was poured onto.

The short answer

Acrylic is plastic-based, water-cleanable, fast-drying paint that's been around since the mid-1950s, and it's become the default medium for a lot of working artists here partly because its chemistry genuinely fits the practical demands of painting — and preserving work — in a hot, dusty, humid-in-patches climate. It's not automatically the "better" medium. It's the one that, for a lot of very practical reasons, ended up being the right tool for a lot of the work being made here right now. [Browse ArtCollect's current collection](/browse) and you'll see plenty of it — worth looking closely at the surface texture next time you do.