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Actual color may vary from on-screen representation. Please view a physical color swatch or material sample to confirm your color choice prior to purchase.
70% of Orders Ship within 3 Business Days.
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A match of Sherwin Williams SW4009 Walnut Brown is a very deep brown with a muted, earthy character and a subtle warm red-gold cast. The low LRV means it reads dark and subdued rather than bright or reddish, with enough chroma to stay clearly brown instead of drifting into near-black.
MyPerfectColor custom spray paint matched to this color is practical for small parts and fitted details that need a dark brown finish. It can be used on railings, brackets, vent covers, switch plates, speaker grilles, mailbox parts, PVC trim, shutters, frame hardware, and furniture accents where a consistent brown match is needed across metal, plastic, wood, or previously coated surfaces.
Because this is a dark color, surface condition and sheen can show through more than they do with lighter browns. On smooth substrates, the color usually reads cleanly once coverage builds; on textured or uneven parts, the final appearance can shift with film build, prep, and the finish selected. Over lighter substrates, a full, even coat schedule may be needed for uniform depth.
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The SHERWIN-WILLIAMS COMPANY was founded by Henry Sherwin and Edward Williams in 1866. Today, the company is a global leader in the development, manufacture and sale of coatings and related products.
MyPerfectColor matches all of the Sherwin-Williams paint colors so you can find and enjoy the colors you love. MyPerfectColor uses its expert capabilities to recreate the original Sherwin-Williams color by matching the original Sherwin-Williams color books and swatches. MyPerfectColor is not using Sherwin-Williams paint.
The colors shown on this website are computer video simulations of the Sherwin-Williams Color and may not match Sherwin-Williams Color standards. Refer to Sherwin-Williams Publications to obtain the accurate color. Please know that MyPerfectColor is matching the original Sherwin-Williams color. If you intend to touch up paint that has been on your walls for years, know that your color has undoubtedly changed from the original due to exposure to light and age and the new paint may not match. You will achieve best results by re-coating the entire surface.
If you need more assistance, please feel free to contact us and one of our expert staff would be happy to help.
Confirm Sherwin Williams SW4009 Walnut Brown from a physical swatch or another known brand color reference before you order. Screen images can shift with device settings and lighting, so they are not a reliable final reference. MyPerfectColor makes a custom match of the selected brand color reference, not a match to an aged or weathered painted surface. The color code by itself does not define sheen, product line, or how an existing surface has changed over time.
MyPerfectColor custom spray paint matched to Sherwin Williams SW4009 Walnut Brown is useful for small parts and awkward items that are easier to spray than brush, such as trim details, fixtures, railings, vents, pipes, hardware, and accessories. It is also practical for removable parts or components that need to coordinate with an existing color reference. If the item has edges, cutouts, or hardware that would be slow to coat by hand, a spray format is often the more efficient choice.
For Sherwin Williams SW4009 Walnut Brown in spray form, dry-to-touch is typically within minutes, but dry-to-touch is not the same as ready for recoating or full handling. A recoat is generally done in 1 to 2 hours, and full cure is about 2 weeks. If you handle or assemble the part too soon, you can mar the finish even if the surface feels dry.
Yes, MyPerfectColor spray paint matched to Sherwin Williams SW4009 Walnut Brown can be used on many plastics, but plastics vary a lot, so a test on the actual material is important. For better adhesion on difficult surfaces, use the MyPerfectColor primer for acrylic enamel before applying the color coat. Good prep and a test panel help reduce the risk of adhesion or finish issues on the final part.
The SDS is tied to the MyPerfectColor product chemistry, not to the Sherwin Williams SW4009 Walnut Brown color name alone. To get the correct Safety Data Sheet, look up the SDS for the exact MyPerfectColor product or format you plan to order. If you are comparing spray paint versus another format, check the SDS for that specific product version.
MyPerfectColor has an original sample of the Sherwin Williams SW4009 Walnut Brown in its color archive. This enables us to make paint and verify that it matches the original.
Please note that if your material is not new then the paint may not work for touch up as your material has aged and is likely different than it was when new. Learn more about our color matching accuracy. If you need a touch up application, send us a part and we can create a touch up solution precisely matching the current color and sheen of your specific materials.
Learn more about our color matching service.
To make spray paint matched to Sherwin Williams SW4009 Walnut Brown. MyPerfectColor uses an acrylic enamel which is a fast-drying durable coating suitable for interior or exterior use. MyPerfectColor custom spray paint enables you to conveniently achieve a professional spray-smooth finish in any color in any sheen. It sticks well to most surfaces including metal, plastics, powder-coatings, cabinets and primed or previously painted wood.
The 11oz spray will cover about 20 square feet per coat. Keep in mind that it is difficult to gauge how much spray you'll need as it is highly dependent on how it is applied. It is better to have too much than run short.
While MyPerfectColor can provide paint matched to the Sherwin Williams SW4009 Walnut Brown, we don't provide any crossover information because this is a subjective determination. Every paint company offers its own unique selection of colors and rarely does a color have an exact equivalent in another company's color collection, so determining which color is the best approximation is a judgement call.
However, under the color image on a color page there is a link that says "Explore Related Colors". Clicking this link displays colors with similar values and you can look for any colors from the company you want.
Keep in mind that this just shows similar colors based on the color values we have stored in our database. It doesn't mean it is the same or give any approximation about how close the color is. You can play around with the Hue, Lightness and Chroma sliders to expand the selection.