Looking for color by Hex, RGB, CMYK, or Lab?

RAL 7040 Window Grey Paint

Color Image

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.

Fast Shipping

70% of Orders Ship within 3 Business Days.

Ready to purchase? Select your options in the 4 steps below.

Step 1: Select Paint Type / Application

RAL7040 Window Grey is a medium-light grey, defined by a lightness (L) of 64.91 and a Light Reflectance Value (LRV) of 33.93, marking it as a true middle-range option for both brightness and reflection. With a negative a (-1.72) and b (-2.8) and a hue angle of 238.44, the color leans cool, with blue undertones and low chroma (3.29) that keeps its appearance restrained and nearly neutral. The color remains stable across most finishes, though higher gloss can bring out subtle increases in coolness and clarity.

RAL7040 Window Grey is selected for its clean, technical, and understated character, making it appropriate for practical installations where distractions are unwelcome. Its mid-tone helps mask dust and minor scuffs, promoting a consistent, functional appearance. Low chroma and a near-neutral profile maintain compatibility with standard industrial and architectural palettes. Uniform gloss level is advised for appearance consistency; varied sheens may alter depth and coolness under different lighting conditions. For substrate-matching, assess actual painted samples if possible, as surface texture and gloss affect perception more than underlying hue.

Digital approximations
Values
HEX: #989FA2
RGB: 152, 159, 162
LAB: 64.9, -1.7, -2.8
Insights
- The L value of 64.9 and LRV of 33.93 signify a color that reads as medium-light, providing moderate reflectance and reduced eye strain in large field applications.
- The low chroma (3.29) combined with a and b values near zero result in a color that remains neutral and versatile, without pronounced color bias.
- Hue angle around 238 degrees confirms a notably cool tone, making it distinctly more blue-grey than warm greys in the RAL palette.
Digital values are approximations. Paint appearance varies by finish and lighting.

Similar colors:
VYNCKIER'S RAL7035 Light Grey - lighter, with higher lightness and less pronounced blue undertone.
RAL 7037 Dusty Grey Paint Dusty Grey - darker and slightly warmer, with a more muted appearance.
RAL 7004 Signal Grey Paint Signal Grey - similar lightness but appears warmer and slightly more saturated.

Product Data

About RAL

RAL is a European Color Standard often used for powder coating products and equipment. MyPerfectColor helps manufacturers; fabricators; refurbishers; equipment supply, rental and maintenance organizations save money and improve quality through exact match color solutions. Some common requests we receive for RAL Colors include spray paint, pens and bottles used for touch up and OEM applications.

Representation of the RAL Colours is done with the approval of RAL gGmbH, 53111 Bonn, Germany.

Please note that the representation of colours on the website can only approximate the actual RAL colour shades as they are registered as varnish samples.

RAL CLASSIC © RAL, Bonn 2019.

RAL DESIGN SYSTEM © RAL, Bonn 2019.

RAL EFFECT © RAL, Bonn 2019.

RAL colors may vary from RAL Color Standards based on lighting conditions, angle of view and/or due to differences in pigments, manufacturing process, substrate and/or limitations in the color capability of the paint.

Frequently Asked Questions About RAL 7040 Window Grey Paint

When is standard RAL 7040 Window Grey acceptable, and when do I need a custom match to the specific part or powder?

Use standard RAL 7040 Window Grey when the acceptance reference is the RAL Classic standard (fan deck/standard panel) rather than an existing part. This is typically appropriate for cross-material coordination, field touch-up of small chips, and situations where close visual harmony is sufficient.

  • Standard OK if: the drawing simply states "RAL 7040," no OEM powder code is specified, inspection will compare to the RAL standard, or parts will not be viewed edge-to-edge with a benchmark part.
  • Prefer custom/sample-based match if: the surface is high-visibility, a large area will be repainted, inspection will compare directly to an existing coated part, or an OEM powder code/finish (including gloss/texture) is specified.

Next steps:

  • For standard: order "RAL 7040 Window Grey" and select sheen appropriate to your process. Note that the RAL code defines the color target only; gloss and texture are not defined.
  • For custom: submit a physical sample or the exact OEM powder information (manufacturer, code, gloss, texture). The match will be made to that specific target, reducing acceptance risk against the installed part.
Which sheen should I order for RAL 7040 Window Grey to pass acceptance against my specification?

RAL 7040 defines the color, not the sheen. Select sheen based on how acceptance will be judged:

  • If acceptance is to the RAL standard: document the sheen you require (e.g., matte, satin, semi-gloss, gloss). Color will be judged to the RAL target; gloss differences are acceptable if your spec allows them.
  • If acceptance is to an existing coated part: match the sheen and texture as closely as possible. Provide a gloss range or reading if available (typical ranges: matte ~10-20 GU, satin ~30-40 GU, semi-gloss ~50-70 GU, gloss ~75+ GU at 60 degrees). Texture can change perceived gloss and color.
  • If finish is unknown and criteria are strict: do not guess. Obtain a sample panel, a gloss reading, or send a representative part for a sample-based match before full order.
Will RAL 7040 Window Grey liquid touch-up look the same as a powder-coated RAL 7040 part?

Color can match the RAL 7040 target, but appearance may differ because powder coats often have orange peel/texture and a specific gloss, while liquid touch-up is smoother. Under light, texture and gloss differences can make the same color appear lighter/darker or more/less saturated.

  • Low-risk use: small chips, edges, fastener heads, or areas not viewed at grazing angles.
  • Higher-risk use: large, flat, high-visibility panels or side-by-side comparisons with textured powder-coated parts.
  • Mitigation: limit touch-up area, feather edges, apply thin coats, and verify on a test piece. For larger areas or strict cosmetic requirements, use the same powder process or request a sample-based match including the required gloss/texture.
Is standard RAL 7040 Window Grey sufficient to coordinate cabinets, conduit, and hardware across different materials?

Yes-standard RAL 7040 is commonly used for cross-material coordination where processes, textures, and sheens differ. This approach works when the goal is overall harmony, not identical appearance on adjacent, co-planar surfaces.

  • Set acceptance to the RAL Classic standard (not to an existing part) to avoid unnecessary rejections caused by gloss/texture differences between materials.
  • On purchase orders, specify "RAL 7040 per RAL Classic" and document the practical sheen for each material/process.
  • If a uniform look is required across adjacent panels, avoid mixing processes; use the same coating system or provide a benchmark sample for a process-specific match.
What color is RAL 7040?
RAL 7040 is known as Window Grey and is part of the RAL Classic color collection. It is a medium grey color with a cool, neutral tone. This color is commonly used in industrial settings, particularly for machinery, equipment, and metal structures, where a clean and professional appearance is desired. Window Grey offers a versatile and understated look, making it a reliable choice for various industrial applications that require consistent color matching and a durable finish.
When will I receive my paint matching RAL7040 Window Grey? Can I get it right away?
All paint is custom-made to order. Most orders ship quickly—often within 1–2 business days—though actual lead time can vary based on production volume. Custom spray paint, paint pens, and brush-in-cap bottles, including colors matched to RAL7040 Window Grey, typically ship within 1–2 business days. During peak periods, lead times may vary slightly. Transit time depends on your location and the shipping method you choose. If timing is critical, select Expedited Production at checkout—most expedited orders ship within 24 business hours—or contact MyPerfectColor so we can help confirm timing for your specific deadline. Learn more about paint production lead times.
Can I use RAL7040 Window Grey for touching up powder coating?

Yes, our spray paint, paint pens and touch up bottles are ideal for touching up parts of all kinds, including powder coatings. However, keep in mind that our version of RAL7040 Window Grey is based on the color swatch contained in the official RAL color book. The color and sheen of your specific production parts may be different. If you need a touch up application, we can create a touch up solution precisely matching your specific parts.

Learn more about our color matching service.

What are the RGB, HEX and LRV values for RAL7040 Window Grey?
The RGB values for RAL7040 Window Grey are 154, 160, 166 and the HEX code is #9AA0A6. The LRV for RAL7040 Window Grey is 34.68. 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.
What is spray paint matched to RAL7040 Window Grey made of? And how much area will one can cover?

MyPerfectColor spray paint is a fast-drying durable acrylic enamel coating suitable for interior or exterior use. MyPerfectColor custom spray paint matched to RAL7040 Window Grey 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 can 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.

How to buy paint for RAL7040 Window Grey?
Many types of paint are available for RAL7040 Window Grey with no minimum order quantities. MyPerfectColor offers spray paint, paint pens, touch up bottles, water-based acrylics, epoxies, urethanes and a variety of other paints. Select the Paint Type button above to get started. Learn more about buying paint at MyPerfectColor.
How do I get the SDS (Safety Data Sheet) for paint matched to RAL RAL7040 Window Grey?
The RAL7040 Window Grey is the color and the SDS is based on the type of paint used to make the color. You can find Safety Data Sheets here for our most popular products.
Do I need a primer for RAL7040 Window Grey?
The need for primer for RAL7040 Window Grey depends on the type of paint, the substrate being painted and where it will be located. See our Primer Selection Table to see what primer you might need and learn more about when you might need a primer. Most people don't use a primer for a touch up paint application, but a primer may improve adhesion and is typically recommended for exterior applications.
How do I convert RAL7040 Window Grey to a different color from another paint company?

While we can provide RAL7040 Window Grey 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.