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A match of Sherwin Williams SW9557 Autonomous is a very light, low-chroma gray that reads as a soft near-neutral rather than a strong color. Its character is quiet and restrained, with a slight cool cast and a faint green-leaning undertone that can become more noticeable depending on finish and substrate.

MyPerfectColor custom spray paint matched to the selected brand color can be used on small parts and fixtures where a controlled, light neutral is needed. Common spray-paint projects include vents, switch covers, outlet plates, speaker grilles, cable raceways, brackets, shelving supports, hardware, PVC trim pieces, shutters, and other removable components that benefit from a coordinated finish.

Because this is such a light color, darker substrates, uneven prep, or patchy existing coatings can show through more easily and may require additional coats for even coverage. Sheen level, film build, and surface texture can also shift how the gray reads, especially on metal and plastic parts with visible edge detail or molded texture.

Similar colors:

SW7667 Zircon
SW2129 Zircon
SW2115 Tinsmith

Product Data

About Sherwin-Williams

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.

Matching Sherwin-Williams Paint Colors

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.

Frequently Asked Questions About Match of Sherwin Williams™ SW9557 Autonomous *

How will the finish change the look of SW9557 Autonomous after MyPerfectColor matches it in paint?

The finish can change how SW9557 Autonomous looks on the finished item because gloss level affects reflectivity and the way your eye reads the color. A MyPerfectColor match of SW9557 Autonomous in a higher sheen will usually look more reflective, while a lower sheen will look less reflective and can make the color read a little softer.

If the item will sit next to an existing coated surface, keep in mind that the same color can look different once finish, texture, and substrate are involved. The paint match is to the SW9557 Autonomous color reference, not to the appearance of an aged or already painted surface.

Which sheen should I choose for SW9557 Autonomous when ordering a MyPerfectColor match?

Choose the sheen based on how the item will be used, not just on the color name. A match of Sherwin Williams SW9557 Autonomous is the color reference, but the sheen you order changes durability, cleanup, and how reflective the finished coating will be.

If the part will be handled often or cleaned regularly, a higher sheen can be easier to wipe down, but it will also show more reflection. If you want less shine on the finished item, a lower sheen is usually the better choice. MyPerfectColor can make a match of SW9557 Autonomous in the format and sheen that best fits the project.

Can SW9557 Autonomous be ordered as MyPerfectColor spray paint for plastic parts?

Yes, SW9557 Autonomous can be ordered as MyPerfectColor custom spray paint for many plastic projects, but plastics vary a lot. Because different plastics and low energy surfaces behave differently, it is smart to test the coating on the actual part before painting the full item.

For better adhesion, use the MyPerfectColor primer for Acrylic Enamel on the plastic if the substrate calls for it. Proper prep and a test spray are the best ways to reduce the risk of adhesion problems on plastic parts, trim pieces, covers, or accessories matched to SW9557 Autonomous.

What prep is needed before applying SW9557 Autonomous from MyPerfectColor to metal or an existing coating?

Before applying a match of SW9557 Autonomous to metal, clean the surface well and remove rust, oil, dust, and other contamination. If you are spraying over an existing coating, scuff the surface so the new coating can bond better, and make sure the old coating is sound.

Gloss, texture, and the condition of the previous coating can all affect the final appearance of SW9557 Autonomous. If the metal is rusty, peeling, or heavily contaminated, address that first before ordering your MyPerfectColor match.

What should I confirm before ordering SW9557 Autonomous as a custom MyPerfectColor product?

Before ordering SW9557 Autonomous, confirm the exact color reference, the product type, the sheen, and the quantity you need. MyPerfectColor makes a custom match of SW9557 Autonomous, so it is important to choose the right format for the project the first time.

Custom-made color orders are not returnable or refundable, so double-check the details before you place the order. If you need a spray can for small parts, fixtures, or removable components, make sure you select the spray paint format rather than another product type.

How quickly will I receive my paint matched to Sherwin Williams SW9557 Autonomous?
All paint is custom-made to order. While most orders ship within 48 hours, the lead-time for paint made to match Sherwin Williams SW9557 Autonomous depends on the type of paint needed. Interior and exterior house paints usually ship within 1 to 3 business days, while custom spray paint typically takes 3-5 business days to ship. The transit time depends on your location and the shipping method you choose. If your need is immediate, select Expedited Production during checkout. Most expedited production orders ship within 24 hours on business days. Please contact MyPerfectColor if you are concerned about a specific deadline. We do our best to make sure you get your paint on time. Learn more about paint lead times at MyPerfectColor.
What are the RGB, HEX and LRV values for Sherwin Williams SW9557 Autonomous?
The RGB values for Sherwin Williams SW9557 Autonomous are 200, 201, 199 and the HEX code is #C8C9C7. The LRV for Sherwin Williams SW9557 Autonomous is 58.12. The LRV stands for Light Reflectance Value and measures the percentage of light that a color reflects. Learn more about Light Reflectance Values and using RGB and Hex codes for paint.
What is the Hue Angle and Chroma for Sherwin Williams SW9557 Autonomous?
The Hue Angle for Sherwin Williams SW9557 Autonomous is 124.74 and the chroma is 1.27. The Hue Angle represents the position of a color's hue around a color wheel. The Chromacity represents the intensity of a hue. Learn more about browsing colors by hue.
Which paint matching the Sherwin Williams SW9557 Autonomous would be best for interior walls?
MyPerfectColor doesn't sell Sherwin Williams, but it does match the Sherwin Williams SW9557 Autonomous in a wide variety of paint types. The best paint for interior walls is typically a matte or eggshell. Flat paint is most often used for ceilings and semi-gloss paint is used for trim. If it is a commercial or industrial application, you may have other considerations such as chemical resistance. Custom spray paint can be used for in wall speakers, railings, HVAC vents, electrical cabinets and anything else needing a professional spray smooth finish. Contact MyPerfectColor support if you have specific questions about the best paint to use for your project.
How can MyPerfectColor match the Sherwin Williams SW9557 Autonomous?

MyPerfectColor has an original sample of the Sherwin Williams SW9557 Autonomous 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.

How much area will one spray can cover? And what is Sherwin Williams SW9557 Autonomous spray paint made of?

To make spray paint matched to Sherwin Williams SW9557 Autonomous. 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.

How do I find the same color as the Sherwin Williams SW9557 Autonomous in a different company?

While MyPerfectColor can provide paint matched to the Sherwin Williams SW9557 Autonomous, 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.