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RAL 8004 Copper Brown Paint
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.
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RAL8004 Copper Brown is a deep, distinctly warm and saturated brown frequently specified for industrial and architectural metalwork. This color shows low lightness, with an L value of 38.67 and an LRV of 10.47, creating a notably deep visual presence that absorbs more light than it reflects. The color has a strongly warm tendency, seen in high positive a (26.81) and b (26.9) values and a hue angle of 45.1, situating it between red and yellow on the spectrum. High chroma (37.98) delivers strong color purity and vividness, making this brown visually assertive rather than muted. An evident red-orange bias lends an earthy, copper-like undertone, distinguishing it from gray or neutral browns. The warmth and chroma of RAL8004 are generally heightened in glossier finishes, while matte or textured surfaces may slightly reduce its brightness and saturation.
RAL8004 is commonly used for powder coating machinery housings, industrial frames, exterior enclosures, metal railings, window profiles, or doors in public areas, and field touch-up of originally RAL8004-coated parts to ensure color continuity. Its robust chromaticity and specification-driven character make it ideal for architectural accents or equipment needing a distinctive, warm brown. The high chroma can make surface contamination or gloss variation more noticeable than on muted browns, so attention to substrate and sheen is important for uniform appearance, especially on large installations.
Digital approximations
Values
HEX: #8C4831
RGB: 140, 72, 49
LAB: 38.7, 26.8, 26.9
Insights
- With an L of 38.7 and LRV of 10.47, this is a distinctly dark brown-much lower reflectance than mid-tone or tan colors.
- The close, high a and b values give a strong red-orange (copper-like) warmth that reads clearly even in small areas.
- High chroma (37.98) makes the brown appear vivid rather than muted or grayish.
Digital values are approximations.
Paint appearance varies by finish and lighting.
Similar colors:
- RAL 8003 Clay Brown Paint Clay Brown: Slightly darker and less chromatic, with a subtler orange undertone.
- RAL 8011 Nut Brown Paint Nut Brown: Deeper and less red, skewing more towards classic brown over copper.
- RAL 8012 Red Brown Paint Red Brown: More intensely red, with higher redness and less orange than Copper Brown.
RAL8004 is commonly used for powder coating machinery housings, industrial frames, exterior enclosures, metal railings, window profiles, or doors in public areas, and field touch-up of originally RAL8004-coated parts to ensure color continuity. Its robust chromaticity and specification-driven character make it ideal for architectural accents or equipment needing a distinctive, warm brown. The high chroma can make surface contamination or gloss variation more noticeable than on muted browns, so attention to substrate and sheen is important for uniform appearance, especially on large installations.
Digital approximations
Values
HEX: #8C4831
RGB: 140, 72, 49
LAB: 38.7, 26.8, 26.9
Insights
- With an L of 38.7 and LRV of 10.47, this is a distinctly dark brown-much lower reflectance than mid-tone or tan colors.
- The close, high a and b values give a strong red-orange (copper-like) warmth that reads clearly even in small areas.
- High chroma (37.98) makes the brown appear vivid rather than muted or grayish.
Digital values are approximations.
Paint appearance varies by finish and lighting.
Similar colors:
- RAL 8003 Clay Brown Paint Clay Brown: Slightly darker and less chromatic, with a subtler orange undertone.
- RAL 8011 Nut Brown Paint Nut Brown: Deeper and less red, skewing more towards classic brown over copper.
- RAL 8012 Red Brown Paint Red Brown: More intensely red, with higher redness and less orange than Copper Brown.
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 8004 Copper Brown Paint
When should I send a physical sample instead of ordering standard RAL 8004 Copper Brown?
Send a sample when acceptance will be judged against an existing part or strict inspection criteria. RAL 8004 defines the color target, not the coating process-gloss and texture differences (powder vs. liquid) can cause rejections even if the color is correct.
- Match to an existing coated part (especially aged, weathered, or textured): send a representative piece.
- High-visibility surfaces or large-area repaints: sample-based match reduces risk of visible shift.
- OEM powder code specified: include the exact powder brand/code and, if possible, a part sample.
- Defined acceptance criteria (side-by-side visual, light booth, or instrument limits): provide those with the sample.
Include: flat area >= 2×2 inches, note required gloss/texture, substrate, and any acceptance method. Ordering "standard RAL 8004" without this info is appropriate only when minor sheen/texture differences are acceptable.
Is a standard match to RAL 8004 Copper Brown sufficient for crossmaterial coordination (e.g., cabinet vs. conduit)?
Often yes. When parts are different materials or finishes (e.g., powder-coated cabinet next to painted conduit) and not evaluated sidebyside under strict criteria, a standard RAL 8004 match is typically acceptable.
- Good fit: different textures/sheens are expected; components are viewed at a distance; the requirement is general visual harmony.
- Use caution: continuous panels, adjacent mating parts, or defined inspection lighting-consider aligning gloss or sending a sample for a tighter match.
Remember: RAL defines the color target only. If gloss/texture uniformity matters, specify desired sheen or provide a reference sample.
Can I apply RAL 8004 Copper Brown over existing powder coat or paint?
Yes, with proper surface preparation and verification. Compatibility depends on the existing coating's chemistry, condition, and gloss.
- Clean: remove oils/silicone with industrial degreaser; rinse and dry.
- Degloss: scuff sand to a uniform matte (typically 320-400 grit) and remove dust.
- Assess: if chalked, peeling, or unknown fluoropolymer/PTFE, sand to stable substrate or consider a bonding/adhesionpromoting primer per your process.
- Test: perform a smallarea adhesion test (crosshatch or tape pull) before full application.
- Prime bare metal/plastic as required by your system; allow proper cure times between coats.
Color note: standard RAL 8004 targets the RAL standard. If you must match an aged or textured powdercoated part, send a sample to avoid visible differences in color, gloss, or texture.
How do I avoid ordering the wrong RAL brown when I need RAL 8004 Copper Brown?
- Verify both code and name: RAL 8004 Copper Brown (not 8003, 8011, 8012, etc.).
- Confirm the system: RAL Classic fourdigit code, not RAL Design or RAL Effect.
- Check the drawing/PO: ensure the exact code is specified; don't rely on onscreen color.
- Align finish expectations: RAL defines color, not sheen/texture-state required gloss or provide a reference if critical.
- If parts are already coated: confirm whether acceptance is to the RAL standard card or to the existing part; if to the part, send a sample.
Tip: include "RAL 8004 Copper Brown - Classic" on purchase documents to prevent substitutions.
When will I receive my paint matching RAL8004 Copper Brown? 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 RAL8004 Copper Brown, 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 RAL8004 Copper Brown 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 RAL8004 Copper Brown 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 RAL8004 Copper Brown?
The RGB values for RAL8004 Copper Brown are 140, 72, 49 and the HEX code is #8C4831. The LRV for RAL8004 Copper Brown is 10.47. 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 RAL8004 Copper Brown 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 RAL8004 Copper Brown 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 RAL8004 Copper Brown?
Many types of paint are available for RAL8004 Copper Brown 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 RAL8004 Copper Brown?
The RAL8004 Copper Brown 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 RAL8004 Copper Brown?
The need for primer for RAL8004 Copper Brown 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 RAL8004 Copper Brown to a different color from another paint company?
While we can provide RAL8004 Copper Brown 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.
Color details
RGB: 140 72 49
HEX: #8C4831
LRV: 10.47%
Color properties
Color Type:
Standard
Hide:
Standard
Match Source:
Brochure/swatch book
Match Type:
Physical match
Textured:
No
Source on hand:
Yes
Color Category:
Standard
