Quick answer: Are Golden OPEN acrylics good? They are if you want acrylic paint that stays workable far longer than standard acrylics, which makes them well suited to blending, portraits, wet-in-wet landscapes, monotype printmaking, and painting in hot or dry climates. They are less suitable if you like to layer quickly, glaze in rapid succession, or work in thick impasto. Expect thin films to take hours rather than minutes to dry, and plan to adjust your workflow, palette, and surface to get the most out of them.
Standard acrylics have a reputation problem: they can dry on the palette before you finish mixing and on the canvas before you finish blending. Golden designed OPEN acrylics to address that complaint directly. The result is paint that behaves very differently from regular acrylic, and whether that is an advantage or a frustration depends entirely on how you paint.
This guide examines whether Golden OPEN acrylics are good for your style. It explains how they work, how drying time compares, what they excel at, where they cause problems, and how to work with them effectively, based on Golden’s published guidance and established acrylic behavior rather than invented test results.
What Golden OPEN Acrylics Are
Golden OPEN Acrylics are a professional acrylic line formulated with a different binder system and additives that significantly extend open time, the period during which paint stays wet and workable. Standard acrylics can begin to skin in minutes, while OPEN acrylics are designed to remain workable for much longer, especially on a non-absorbent palette.
OPEN acrylics are still water-based, clean up with water, and can be mixed with other Golden acrylics. They have a soft, smooth consistency, somewhat between Fluid and Heavy Body. The line includes a broad color range plus OPEN mediums, gels, and thinners designed to maintain extended working time.
For a broader overview of Golden’s lines and where OPEN fits, see our guide to Golden acrylic paint colors and uses.
Are Golden OPEN Acrylics Good? Strengths at a Glance
| Strength | Why it matters |
|---|---|
| Long open time | Allows blending, softening edges, and reworking passages. |
| Palette stays wet | Less waste and more time for mixing subtle color variations. |
| Wet-in-wet painting | Enables oil-like techniques with water cleanup. |
| Printmaking compatibility | Extended working time suits monotypes and some printmaking methods. |
| Compatibility with other acrylics | Mix with standard Golden paints to fine-tune drying time. |
| Professional pigments | Single-pigment colors and detailed labeling. |
How Long Do Golden OPEN Acrylics Take to Dry?
Drying time depends on film thickness, surface absorbency, humidity, temperature, and airflow. As a general guide:
| Condition | Standard acrylic | Golden OPEN acrylic |
|---|---|---|
| Thin film on non-absorbent surface | Minutes to under an hour | Can remain workable for hours |
| Thin film on absorbent surface | Minutes | Shorter than on non-absorbent surfaces, but longer than standard acrylic |
| Thick application | Hours | Can take a day or more to become touch-dry |
| On a palette | Skins quickly without misting | Can stay usable for long sessions, sometimes days on a covered palette |
Exact times vary widely with conditions. Many artists treat OPEN as “slow standard acrylic,” but in thick passages it can behave closer to oil than to typical acrylic in drying speed.
What Golden OPEN Acrylics Are Best For
Blending and soft transitions
Skies, skin tones, fog, and gradients benefit from long working time. You can lay down two colors and blend them on the canvas without rushing.
Portrait painting
Portraits involve subtle value and temperature shifts. Extended open time allows you to adjust features, soften edges, and correct proportions while paint is still wet.
Wet-in-wet landscapes
Painters accustomed to oil alla prima techniques can work wet-in-wet with OPEN, blending foliage, clouds, and water directly on the surface.
Plein air in hot or dry climates
Standard acrylics can dry almost instantly outdoors in heat and wind. OPEN slows that process, giving painters more time to respond to changing light.
Monotype and printmaking
Monotype printing requires paint to stay wet long enough to transfer from plate to paper. OPEN acrylics are often used for this, sometimes with OPEN mediums.
Mixing on the palette
Because OPEN stays wet longer on the palette, you can mix large batches of color for consistent passages without them drying mid-session.
Where Golden OPEN Acrylics Can Be Frustrating
Slow layering
If your process depends on painting a layer, letting it dry quickly, and glazing over it, OPEN slows you down. Painting over a layer that is still wet can lift or mix the color underneath.
Thick passages stay soft
Thick OPEN applications can remain soft for a long time. Impasto may take days to firm up and can be damaged if touched or stacked.
Dust and handling
Slow drying means more time for dust, hair, and lint to stick to the surface. Protect wet paintings and handle them carefully.
Varnishing delays
Because OPEN films take longer to cure, wait longer before varnishing than you would with standard acrylics. Varnishing too early can trap moisture and soften the varnish layer.
Adjusting expectations
Artists switching from standard acrylic often expect OPEN to behave like regular paint with a bit more time. The difference is larger than that, and it takes a few sessions to adapt.
How to Use Golden OPEN Acrylics Effectively
- Use a non-absorbent palette. Glass, plastic, or a palette paper with a coated surface keeps paint wet longer. Avoid absorbent paper palettes.
- Prepare the surface. Absorbent grounds pull water from paint and speed drying. For maximum open time, use a less absorbent primed surface or apply a sealing layer of acrylic medium first.
- Thin with OPEN-specific products. OPEN Thinner and OPEN mediums maintain extended working time. Adding plain water or standard mediums can shorten it.
- Work in thin layers when you need faster drying. Thin films dry faster than thick ones.
- Mix with standard acrylics to speed drying. Combining OPEN with Heavy Body or Fluid shortens open time while still giving more working time than standard acrylic alone.
- Use airflow carefully. A gentle fan or a hair dryer on a cool to warm setting can speed surface drying, but test first so you do not create skins over wet paint.
- Protect wet paintings. Store them in a dust-free area and avoid stacking.
- Wait before varnishing. Allow extra cure time, especially for thicker passages.
Combining OPEN and Standard Acrylics in One Painting
Many painters get the best of both lines by using them at different stages. A common approach is to block in the composition and underpainting with standard acrylics, which dry fast and let you move on quickly. Once the structure is set, switch to OPEN for the final layers where blending and soft edges matter most.
This sequence works because OPEN can be applied over dry standard acrylic without issue. The reverse, painting standard acrylic over wet OPEN, can cause lifting and muddy mixing, so let OPEN layers dry before adding fast-drying paint on top. If you need a faster-drying OPEN layer, mixing roughly half OPEN and half standard acrylic is a reasonable starting point to test.
A Sample OPEN Workflow for a Portrait Session
- Underpainting (standard acrylic): Tone the panel and block in the main shadow shapes in a single warm color. Dry time: minutes.
- Mixing (OPEN): On a glass or plastic palette, mix a value string of skin tones from light to dark. These will stay usable through the session.
- Block-in (OPEN): Lay in the main planes of the face, keeping edges loose.
- Blending (OPEN): Soften transitions between planes with a clean, soft brush, adjusting color temperature as needed.
- Details (OPEN or mixed): Add eyes, lips, and highlights. For crisp details over wet paint, a slightly stiffer mix with standard acrylic can help.
- Pause and dry: Let the surface dry overnight or longer before glazing corrections.
Building a Starter OPEN Palette
You do not need a full set to evaluate OPEN. A small palette of single-pigment colors lets you test blending and drying without a large investment. A balanced starting set might include titanium white, a cool yellow, a warm yellow or yellow oxide, a cool red such as a quinacridone, a warm red, ultramarine blue, and a dark earth like burnt umber. Add colors once you know whether OPEN suits your process.
Golden OPEN vs Standard Golden Acrylics
| Feature | Golden OPEN | Golden Heavy Body |
|---|---|---|
| Open time | Much longer | Standard, fairly short |
| Consistency | Soft, smooth | Thick, buttery |
| Impasto | Possible but slow to dry | Excellent and dries faster |
| Glazing speed | Slower between layers | Faster layering |
| Blending | Excellent | Limited without retarder |
| Palette life | Long | Short without misting or wet palette |
For comparisons between Golden and other professional brands more broadly, our Liquitex vs Golden acrylic review looks at the two companies across lines, consistency, and value.
Golden OPEN vs Retarder in Standard Acrylic
Retarder mediums can slow drying in standard acrylics. They are useful for modest extensions of working time, but adding too much can weaken the film or leave it tacky. OPEN acrylics are formulated for long open time from the start, so they provide more extended working time without relying on large additions of retarder. If you only occasionally need extra time, retarder may be enough. If you regularly blend for long periods, OPEN may be more convenient.
Golden OPEN vs Oil Paint
OPEN acrylics are sometimes described as an alternative to oils. They share long open time and blendability, but differences remain:
- OPEN cleans up with water and does not require solvents.
- OPEN dries faster than most oils, especially in thin layers.
- Oils have their own handling qualities, color depth, and traditional techniques that OPEN may not replicate exactly.
- OPEN can be layered with standard acrylics; oils must be applied over acrylic, not under it.
For artists who want oil-like blending without solvents, OPEN is a practical option, though it is not identical to oil.
Cleaning Up and Storing OPEN Acrylics
Because OPEN stays wet longer, cleanup is more forgiving: brushes left for a short while are less likely to dry stiff than with standard acrylic. Still, wash them with soap and water at the end of each session. To save mixed colors, cover the palette with plastic wrap or use a lidded palette box; many painters find OPEN mixes remain usable into the next day or longer. Keep tubes capped tightly and stored at room temperature, away from freezing.
Who Should Use Golden OPEN Acrylics
- Portrait and figurative painters who need extended blending time.
- Landscape painters who like wet-in-wet techniques.
- Painters in hot, dry, or windy environments.
- Printmakers using monotype or similar processes.
- Artists transitioning from oils who want water cleanup.
Who Might Prefer Standard Acrylics
- Painters who work in rapid layers and glazes.
- Impasto painters who need thick passages to dry quickly.
- Pouring artists, who generally need fluid, standard-drying paint.
- Artists working on tight deadlines.
FAQs
How long do Golden OPEN acrylics stay wet?
Thin films on non-absorbent surfaces can remain workable for hours, and paint on a covered palette may stay usable for much longer. Thick layers can take a day or more to become touch-dry.
Can you mix Golden OPEN with regular acrylics?
Yes. Mixing OPEN with standard acrylics shortens open time while still giving more working time than standard paint alone.
Are Golden OPEN acrylics good for beginners?
They can help beginners who struggle with fast drying, but slow layering can be confusing at first. Starting with a few OPEN colors alongside standard acrylics is a practical approach.
Do Golden OPEN acrylics dry permanently?
Yes. Once fully dry, OPEN forms a permanent acrylic film like other acrylics. It takes longer to reach that point, so be patient before varnishing.
Can you speed up drying of Golden OPEN acrylics?
Use thinner layers, more absorbent surfaces, gentle airflow, or mix in standard acrylics. Avoid excessive heat, which can cause skinning over wet paint.
Are Golden OPEN acrylics good for glazing?
They can be used for glazing, but each layer takes longer to dry. Artists who glaze many layers quickly often prefer standard acrylics or a mix of OPEN and standard paint.
Final Thoughts
Golden OPEN acrylics are good for painters who value blending, reworking, and long palette life, and less ideal for those who layer quickly or build thick impasto. Treat them as a different tool rather than a direct replacement for standard acrylic, adjust your surface and palette, and they can open up oil-like techniques with water cleanup. To compare OPEN with Golden’s other lines and pick colors to start with, read our guide to choosing Golden acrylics for your painting style.
