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RAL 6004 Blue Green Paint

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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.

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RAL6004 Blue Green is a very dark, saturated blue-green with a distinctly cool, technical appearance. It is commonly used for equipment, machinery, and industrial surfaces where a low-reflectance and utilitarian look is important. The vibe is dark, technical, professional, and utilitarian.

Color characteristics:
- Lightness: Very dark (L=24.41, LRV=4.23), reads almost black in low light or at distance.
- Warm/cool tendency: Cool-leaning (a=-21.25, b=-3.71; hue angle 189.9, near true blue-green).
- Chroma level: Moderate (chroma=21.57), clearly recognizable as blue-green but not extremely vivid.
- Undertone/neutrality: Clearly cool undertone without visible warmth or yellowing; no significant grayness.
- Finish sensitivity: In higher gloss, slight depth and color reveal; in matte, appears flatter and closer to black.

RAL 6004 Blue Green is widely chosen for industrial equipment and machinery requiring a dark, non-black color with technical presence. It is also used for steel doors, railings, and metalwork in production plants or transportation hubs, as well as refurbishing legacy installations or matching OEM powder-coated parts specified as RAL6004. The color serves well on control panels or structural elements in varied lighting, and for utility structures, pipeline identification, or barrier systems needing chromatic distinction.

Practical take:
RAL 6004 Blue Green works well when a very dark, technical blue-green is required for functional, safety, or industrial visibilitywithout defaulting to pure black or navy. The low LRV (4.23) makes it ideal for minimizing reflected light and visual distraction. In gloss or semi-gloss, color characteristics become more apparent; in matte or textured finishes, it may read nearly black except in strong lighting. Apply on clean, properly prepped surfaces to prevent shifts toward flat blackness. Compared to most deep greens or blues, it offers a neutral coolness and moderate chroma, reliably matching standardized RAL material palettes for cross-material projects.

Digital approximations
Values
HEX: #00423F
RGB: 0, 66, 63
LAB: 24.4, -21.2, -3.7
Insights
- The low L (24.4) and LRV (4.23) mean this color absorbs most light, offering minimal reflectance and a low-visibility, technical character.
- The a (-21.2) and b (-3.7) channels confirm a distinctly cool blue-green direction, avoiding warmth or teal.
- Moderate chroma (21.57) makes the color noticeable as colored, but not bright or oversaturated.

Digital values are approximations.
Paint appearance varies by finish and lighting.

Similar colors:
- RAL 6005 Moss Green: Slightly lighter and more muted, with a more pronounced green (warmer).
- RAL 5008 Grey Blue: Cooler and more blue-dominant, less green, slightly lighter.
- RAL 6007 Bottle Green: Even darker and less chromatic, tends toward very deep green-black.

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 6004 Blue Green Paint

When should I send a sample instead of ordering standard RAL 6004 Blue Green?

Send a physical sample when acceptance depends on matching an existing coating or OEM appearance, not just the RAL standard. RAL 6004 defines the color target, not the coating process; gloss, texture, and substrate can change how it looks.

  • Match an existing powder-coated part or assembly
  • Large-area repaint adjacent to existing panels
  • High-visibility surfaces or formal inspection criteria
  • You have a known OEM powder code to match exactly
  • Gloss/texture of the existing finish is unknown or critical

If you order standard RAL 6004 without a sample, the paint will target the RAL standard. It may still differ from your installed coating due to sheen/texture and may not pass side-by-side acceptance. For custom matching, send a representative part or panel with the actual finish and note any gloss/texture requirements.

How do I avoid ordering the wrong code when I need RAL 6004 Blue Green?

Confirm the 4-digit code and name from the written specification or drawing: RAL 6004 Blue Green. Do not rely on memory, a faded part, or a verbal description.

  • Verify the digits carefully; near numbers like RAL 6005 (Moss Green) or RAL 6012 (Black Green) are different colors.
  • Clarify whether the spec means "match the RAL standard" or "match the existing part." Those are different acceptance targets.
  • If the code is uncertain and you only have a coated part, treat it as a sample-based match rather than guessing the RAL.

Tip: RAL codes define the target color; finish type (matte/satin/gloss/texture) must be specified separately.

What touch-up format should I use for RAL 6004 Blue Green repairs?
  • Aerosol spray: best for larger scuffs, small panels, or blended repairs. Good edge feathering. Mask surrounding areas to control overspray.
  • Brush-in-cap bottle: precise dabs on chips and small dings. Fast, portable, but leaves a small dab texture.
  • Touch-up pen: hairline scratches and edges with minimal mess. Limited film build; not for wider areas.

For powder-coated items, liquid touch-up in RAL 6004 is common for repairs. Expect differences in sheen/texture versus the original powder. Choose the closest gloss level available and test in an inconspicuous area before full repair.

Is a standard RAL 6004 Blue Green match sufficient for cross-material coordination (e.g., cabinet vs. conduit)?

Often yes. For coordination across different materials or textures where exact sameness isn't required, a standard match to RAL 6004 is typically suitable.

  • Specify: "Color RAL 6004 Blue Green, standard match," and select the practical gloss for each substrate.
  • Expect minor visual differences due to substrate, sheen, and texture; these are usually acceptable for general coordination.
  • If parts are adjacent on the same plane, highly visible, or subject to strict inspection, use a sample-based or OEM powder match instead.
When will I receive my paint matching RAL6004 Blue Green? 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 RAL6004 Blue Green, 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 RAL6004 Blue Green 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 RAL6004 Blue Green 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 RAL6004 Blue Green?
The RGB values for RAL6004 Blue Green are 36, 78, 78 and the HEX code is #244E4E. The LRV for RAL6004 Blue Green is 6.41. 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 RAL6004 Blue Green 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 RAL6004 Blue Green 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 RAL6004 Blue Green?
Many types of paint are available for RAL6004 Blue Green 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 RAL6004 Blue Green?
The RAL6004 Blue Green 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 RAL6004 Blue Green?
The need for primer for RAL6004 Blue Green 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 RAL6004 Blue Green to a different color from another paint company?

While we can provide RAL6004 Blue Green 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.