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A match of Valspar 318Q Mountain Boulder reads as a soft, muted warm gray-beige with low chroma and a medium-light value. It has a restrained earthy cast rather than a clean gray or a clear beige, so the color feels quiet and slightly warm without becoming yellow.

MyPerfectColor custom spray paint matched to the selected brand color reference is useful on small parts and accessories where a measured neutral is needed. Common spray-paint projects include HVAC vents, switch covers, speaker grilles, PVC trim pieces, railings, brackets, shelf supports, frames, mailboxes, shutters, and hardware that needs to coordinate with a known color on metal, plastic, wood, or previously coated surfaces after proper prep.

Because the color is low-chroma, it tends to read smoothly once coverage is even, but finish and substrate still matter. Darker or uneven surfaces can show through a lighter neutral like this more easily, and gloss can make texture, seams, or surface defects more noticeable. Spray film build and the starting surface can also shift how warm or gray the result appears.

Similar colors:

M340 Mountain Boulder
334A-3 Rocky Slope
4002-1B London Coach

Product Data

About Valspar Paint

The Valspar Corporation is a manufacturer of paint and coatings based in Minneapolis, Minnesota. Valspar was founded in 1806 as a paint dealership in Boston, Massachusetts. The Valspar name emerged in 1903 as the name of a clear varnish and became the company name in 1932. Sherwin-Williams acquired Valspar in June 2017.

Matching Valspar Paint Colors

MyPerfectColor is able to match all of the Valspar paint colors so you can find and enjoy the colors you love. MyPerfectColor uses its expert capabilities to recreate the original Valspar 318Q Mountain Boulder by matching the original Valspar color books and swatches. MyPerfectColor does not use Valspar paint.

The colors shown on this website are computer video simulations of the Valspar 318Q Mountain Boulder and may not match Valspar Color standards. Refer to Valspar Publications to obtain the accurate color. Please know that MyPerfectColor is matching the original Valspar 318Q Mountain Boulder. 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 the 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 Valspar™ 318Q Mountain Boulder *

How much MyPerfectColor spray paint matched to Valspar 318Q Mountain Boulder should I buy for my project?

Plan from the size of the item, the surface texture, how much hiding is needed, and how many coats you expect to apply. For custom spray paint, one can typically covers about 20 square feet with one coat.

If you are using another MyPerfectColor paint format matched to 318Q Mountain Boulder, full-size paints typically cover about 400 to 600 square feet per gallon, but actual coverage can be lower on rough, porous, or uneven surfaces. If the surface is dark, glossy, or heavily textured, it is safer to allow extra material.

What kinds of projects work well with MyPerfectColor custom spray paint matched to Valspar 318Q Mountain Boulder?

MyPerfectColor custom spray paint matched to Valspar 318Q Mountain Boulder is useful for small or awkward parts that are hard to coat evenly with a brush. Common uses include trim details, fixtures, railings, vents, pipes, hardware, and accessories.

It is also practical for removable parts or repeatable components where you want the same 318Q Mountain Boulder color across multiple items. The key advantage is applying a custom color match in a format that is easier to spray on small objects and irregular shapes.

Can I use MyPerfectColor spray paint matched to Valspar 318Q Mountain Boulder on plastic parts?

Yes, MyPerfectColor spray paint matched to Valspar 318Q Mountain Boulder can work on many plastics, but plastics vary a lot and some are harder to bond to than others. A test on the actual plastic part is important before painting the final item.

Using the MyPerfectColor primer for Acrylic Enamel can improve adhesion on difficult plastics and low-energy surfaces. If the part is unfamiliar or especially slick, test first and confirm the paint and primer combination on the real material.

What surface prep should I do before painting metal with MyPerfectColor matched to Valspar 318Q Mountain Boulder?

Clean the metal first so dust, grease, and other contamination do not interfere with adhesion. If there is rust, loose coating, or flaky material, remove it before painting.

Scuffing glossy or very smooth existing coatings can help the new finish grip better. Keep in mind that the condition of the old coating, the texture of the metal, and the existing sheen can all affect how Valspar 318Q Mountain Boulder will look after it is sprayed.

Can I return MyPerfectColor custom paint matched to Valspar 318Q Mountain Boulder if I order the wrong sheen or quantity?

Custom-made color matches should be checked carefully before ordering because they are not returnable or refundable. For Valspar 318Q Mountain Boulder, confirm the brand color reference, the MyPerfectColor product type, the sheen, and the quantity before you place the order.

It also helps to remember that MyPerfectColor is supplying its own paint matched to the selected Valspar color reference, not the original Valspar paint product. Verifying the details up front reduces the risk of ordering the wrong item.

How quickly will I receive my paint matched to Valspar 318Q Mountain Boulder?
All paint is custom-made to order. While most orders ship within 48 hours, the lead-time for paint made to match Valspar 318Q Mountain Boulder 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 LRV, HEX, and RGB values for the Valspar 318Q Mountain Boulder?
The RGB values for Valspar 318Q Mountain Boulder are 182, 175, 170 and the HEX code is #B6AFAA. The LRV for Valspar 318Q Mountain Boulder is 43.42. The LRV stands for Light Reflectance Value and measures the percentage of light that a color reflects. Learn more about using RGB and Hex codes for matching colors and Light Reflectance Values.
What paint type is used to make spray paint matched to Valspar 318Q Mountain Boulder? And how many spray cans do I need?

MyPerfectColor uses an acrylic enamel which is a fast-drying durable coating suitable for interior or exterior use. MyPerfectColor custom spray paint matched to Valspar 318Q Mountain Boulder 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 MyPerfectColor 11oz spray will cover about 20 square feet per coat. Keep in mind that it is difficult to gauge spray paint need as the coverage is highly dependent on how it is applied. Learn more about how spray paint works at MyPerfectColor.

What is the Hue Angle and Chroma for Valspar 318Q Mountain Boulder?
The Hue Angle for Valspar 318Q Mountain Boulder is 65.19 and the chroma is 3.65. 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.
Does Valspar paint color Valspar 318Q Mountain Boulder need primer?
MyPerfectColor doesn't sell Valspar paint, but it does match the Valspar 318Q Mountain Boulder and all the other Valspar colors in a wide variety of paint types. The need for primer depends on the specific paint and the substrate being painted. The top quality paints these days tend to be self-priming over most surfaces, while paint at the mid to lower grade quality levels will need a separate primer. Most special situations such as bleeding type woods or difficult to adhere surfaces like plastic will often need a specialty primer. Contact MyPerfectColor support if you have specific questions about the best paint to use for your project and whether you need a primer.
How can MyPerfectColor color match the Valspar 318Q Mountain Boulder in paint?

MyPerfectColor has hundreds of color books in its archive, including the original Valspar paint color books. The color Valspar 318Q Mountain Boulder you are looking for is in our library. We are able to make paint and verify that it matches the original.

Please note that if you are trying to touch up, the paint on your wall now is likely different than it was when first painted. MyPerfectColor will be sending the original color which may no longer match your walls. Learn more about color matching accuracy and our color matching service.

How do I convert Valspar 318Q Mountain Boulder to a different color from another paint company?

While we can provide Valspar 318Q Mountain Boulder in paint, we don't provide any crossover information. We've found that every paint company offers its own unique selection of colors and rarely does a color have an exact equivalent in another brand.

However, under the color image on a color page there is a link that says "Explore Colors". Clicking this link displays colors with similar values and you can look for any colors from the brand 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.