Hue Medium Grey-Green Metallic** is one of the most versatile and sought-after colors in the auto industry. It combines the sobriety of gray with hints of green, adding depth with metallic pigment. This color is suitable for both classic sedans and crossovers, giving the car both severity and individuality. However, working with metallics requires a special approach: errors in the selection of shade, surface preparation or application technology can lead to disappointing results - spots, uneven shine or discrepancy with the original color.

In this article we will look at all stages — from deciphering factory color codes to final polishing, and we will also reveal professional secrets that will help you avoid common mistakes. You'll learn how to save money on materials without sacrificing quality, what tools are really necessary, and why even experienced painters sometimes make mistakes with this shade. We will pay special attention compatibility of paints from different manufacturers - this is critical if you agree on painting parts in different services.

Factory codes and shades: how not to make a mistake with your choice

The first and most common problem is color mismatch after painting. Even if you provided the code “medium grey-green metallic”** when ordered, the result may vary due to differences in pigments from different manufacturers. For example, at PPG this shade may have a cold undertone, and Mobihel - warm, with a slight yellowness.

To avoid disappointment, always check with original manufacturer codes. Here are the main options for popular brands:

  • 🔹 Volkswagen: LA7W (satin grey-green) or LZ6Q (metallic with a bluish tint)
  • 🔹 Toyota: 1G3 (medium grey-green) or 6R9 (dark version)
  • 🔹 BMW: A67 (metallic with silver pigment) or P57 (matte green undertone)
  • 🔹 Renault: BEIGE VERTE (light version) or GRIS VERT (classic medium)

If you are not painting the entire car, but only a separate part (for example, a bumper or fender), be sure to test application on a small area. Metallics are extremely sensitive to light: in daylight the color may appear greener, and in artificial light it may appear grayer. Professionals use special light boxes for precise tinting.

📊 Which brand of car enamels do you prefer?
PPG
Mobihel
Sikkens
Duxone
I don't know

Paint composition: what affects the final result

Paint “medium grey-green metallic”** consists of three main components:

  1. Base layer — contains pigments and metal particles (aluminum or mica). It is this that determines the shade and metallic effect.
  2. Hardener — is responsible for the drying speed and strength of the coating. Incorrect proportions lead to clouding or cracks.
  3. Varnish — protects color from fading and adds gloss. For metallics use varnishes with UV filter, otherwise the green pigment will fade in 2–3 years.

The key mistake of beginners is saving on thinner. Cheap solvents (for example, R-646) can corrode pigments, causing metal particles to lie unevenly and the color to appear “dirty.” The best option is branded thinners of the same brand as the paint (for example, PPG D8120 for base enamels PPG).

Component Recommended Brand Cost (per 1 l) Features
Base enamel Sikkens Autowave 3 200–3 800 ₽ High hiding power, suitable for partial repairs
Hardener Mobihel 2K 1 100–1 400 ₽ Fast cure (20 min at +20°C)
Varnish Duxone HS 2 800–3 500 ₽ Contains ceramic nanoparticles for scratch resistance
Thinner PPG D8120 900–1 200 ₽ Optimized for metallics and leaves no streaks

One more nuance - component ratio. For most metallics the standard proportion is: 2 parts base: 1 part hardener: 10% thinner. But if the temperature in the garage is below +15°C, the amount of hardener is increased by 5–10%, otherwise the paint will take too long to dry and may “smudge.”

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Before mixing the components, warm up the paint cans in warm water (not higher than +30°C) - this will help distribute the metal pigments evenly and avoid lumps.

Surface preparation: why 80% of success depends on this stage

Even the most expensive paint will not apply well if the surface is not prepared correctly. For “gray-green metallic”** critical:

  1. Degreasing - use anti-silicone solvents (eg App W900). Regular white spirit leaves a film that can cause paint to peel off.
  2. Sanding - for metallics, the grain size is optimal P800–P1000 at the finishing stage. Coarser paper leaves scratches that will be visible under the varnish.
  3. Primer - be sure to apply epoxy primer (for example, PPG K36) for protection against corrosion. For plastic parts (bumpers), use a special primer with a plasticizer.

A typical mistake is ignoring interlayer drying. After priming, at least 30 minutes must pass (at +20°C), otherwise solvents from the paint will “raise” the primer and the surface will become lumpy. Check the readiness tactilely: if the primer does not stick to your finger, you can paint.

Degrease the part with anti-silicone | Sand the old paint with P800 sandpaper | Apply 2 layers of epoxy primer | Dry the primer for 30-40 minutes | Check for dust before painting-->

⚠️ Attention: If you are painting a part that has previously been repaired with putty, be sure to use insulating soil (for example, Mobihel Primer). Putty is porous and can absorb solvents from the paint, which will lead to color fading after 1-2 years.

Application technology: how to avoid “spotting” and streaks

Metallics demand special spray technique. If you apply paint like regular acrylic paint, the metal particles will fall chaotically and the color will look uneven. Basic rules:

  • 🔫 Use spray gun with nozzle 1.3–1.4 mm. A wider nozzle will produce a too “wet” spray, and the pigments will group together in spots.
  • 🎨 Keep your gun at a distance 20–25 cm from the surface. If you zoom in, streaks will appear; if you move away, the paint will dry in the air, forming a “dry fog.”
  • 🌀 Apply 2–3 thin layers with interlayer drying for 5–7 minutes. Metallics cannot be “filled” in one pass!
  • 🔄 Apply the last layer crosswise: first horizontally, then vertically. This helps distribute the pigments evenly.

A mistake many newbies make - wrong pressure. Optimal for metallics 2.0–2.2 atm at the entrance to the gun. With less pressure, the paint will lie “fluffy”; with more pressure, the pigments will “drown” in the binder, and the color will lose depth. If you don't have a pressure gauge, check the pressure using test spray on cardboard: the torch should be smooth, without “tails”.

After applying the base, be sure to wait for it to dry completely (usually 15–20 minutes at +20°C) before applying varnish. If you apply varnish to a “raw” base, the solvents from the varnish will “collect” the metal pigments into spots - this defect cannot be corrected without repainting.

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Metallics require a slower application rate than regular paints. Move the gun at a speed of ~30 cm/sec, otherwise the pigments will lie unevenly.

Varnishing and polishing: how to achieve a “mirror” shine

Metallic varnish should be two-component (with hardener) and contain UV filters. Cheap one-component varnishes turn yellow after 1–2 years, and without UV protection the green pigment will fade to gray. The optimal thickness of the varnish layer is 40–50 µm. If applied thinner, the coating will not last long; if thicker, cracks may appear.

Varnishing technology:

  1. Apply first layer (“wet on wet”) with 50% dilution. It should be translucent.
  2. After 5–7 minutes, apply second layer with 20% dilution - it forms the main thickness.
  3. The last one third layer, apply without thinning for maximum gloss.

Start polishing no earlier than after 24 hours (at +20°C). For metallics use abrasive pastes with grain 2000–3000 (for example, 3M Perfect-It). Important: polish crosswise movementsto avoid rubbing off metal pigments in one direction. If you overdo it, the color will become dull.

⚠️ Attention: Never polish metallics rotary machine at high speeds (above 1500 rpm). This leads to local overheating of the varnish and the appearance of “holograms” - small scratches that are visible under direct sunlight.

Common mistakes and how to avoid them

Even experienced painters sometimes make mistakes “metallic grey-green”** because of its capriciousness. Here are the most common problems and ways to prevent them:

Problem Reason How to fix
Stains on the surface Uneven distribution of metal pigments Repaint with proper spray technique (cross coats)
The color has gone gray Burnout of green pigment (no UV protection in varnish) Coat the part with varnish with a UV filter (for example, Sikkens Autoclear)
Matt stains Drying too quickly due to high temperature or draft Repaint at +18–22°C, use a drying retardant
Leaks on vertical surfaces Paint too thick or gun distance too close Thin the paint by 5–10%, hold the gun at a distance of 20–25 cm

One of the most unpleasant mistakes is color mismatch at joints (for example, between the wing and the door). This happens if:

  • 🔸 The paint is applied with different numbers of layers.
  • 🔸 Materials from different manufacturers were used (even with the same code!).
  • 🔸 The room temperature changed during drying.

To avoid this, always paint with overlap onto adjacent parts (by 5–10 cm) and use transition solvent (for example, PPG DX330) to smooth the boundaries.

What to do if the color still doesn’t match?

If the difference is noticeable only at a certain angle, you can try to “stretch out” the color by polishing with an abrasive paste Menzerna PO203S. If the discrepancy is strong, you will have to repaint both parts using tinting varnish (for example, Sikkens Autoclear Tinted), which adjusts the shade.

How much does painting cost and how to save money?

Cost of painting “grey-green metallic”** depends on the scope of work and the selected materials. Here are the estimated prices (for 2026) for the average sedan:

  • 💰 Local repair (bumper or wing): 8,000–15,000 ₽ (with material).
  • 💰 Painting one part (door, hood): 12,000–20,000 ₽.
  • 💰 Full body painting: 50,000–120,000 ₽ (depending on the class of car).

You can save on materials if:

  1. Buy paint and varnish wholesale (for example, sets Mobihel for full painting it is 15–20% cheaper).
  2. Use alternative brands with a good reputation (for example, Vika or Reoflex instead of PPG).
  3. Prepare the parts yourself (sanding, priming), and send them to a service center for painting.

However, savings on as a varnish or thinner will result in additional costs in 1–2 years: the coating will crack or lose its shine. The optimal balance is to take base enamel in the middle price segment (for example, Duxone), and the varnish is premium (for example, Sikkens).

FAQ: answers to frequently asked questions

Is it possible to spray paint metallic gray-green?

Technically it is possible, but the result will be worse than with a spray gun. Spray cans do not provide an even distribution of metallic pigments, so the color will turn out “patchy.” If you still decide to paint with a spray can:

  • Use professional spray cans (for example, Mobihel Spray) with adjustable nozzle.
  • Apply thin layers (3–4 layers) from a distance of 25–30 cm.
  • Before varnishing, allow 1-2 hours for the base to dry completely.

For small parts (mirrors, handles) a spray can is suitable, but for a wing or hood it is better to use a spray gun.

How to choose a color if there is no factory code?

If the paint code is lost, there are three ways:

  1. Spectrophotometer — a device for accurately determining color (available in most car services). Cost of the service: 500–1,500 rubles.
  2. Visual selection - Auto enamels stores have catalogs with samples. Compare in daylight.
  3. Photos on the forums — find your car model on thematic sites (for example, Drive2) and check the code with the owners.

If the car has been painted previously, take sample (for example, a gas tank flap) and take it to a painting center.

How long after painting can you wash your car?

The varnish gains full strength after 2–3 weeks, but for the first 7 days the car can only be washed in a contactless way (without brushes and sponges). Recommendations:

  • First 48 hours - Avoid contact with water.
  • 3–7 days — hand washing only, no automatic washes.
  • After 2 weeks — you can use contactless washing stations.

Do not use wax or polish for the first time. 30 days - they will seal the uncured varnish, and the coating will remain soft.

Is it possible to mix paints from different manufacturers?

Technically possible, but risk of color mismatch or coating defects very high. If you have to mix:

  • Use paints on same basis (for example, both on acrylic or both on water).
  • Check the compatibility of hardeners and thinners (check with the manufacturer).
  • Always do test application on an unnecessary detail.

It is better to avoid mixing, especially when it comes to metallics - pigments can react, and the color “goes” gray or brown.

How to care for gray-green metallic so that it does not fade?

To keep the color deep and shiny:

  • Wash your car once every 2 weeks using pH-neutral shampoos (for example, Karcher Wash & Wax).
  • Apply ceramic coating (for example, Ceramic Pro) once every 2 years - it protects against UV rays.
  • Park in the shade or use car coverif the car sits in the sun for a long time.
  • Polish the body once every 6 months abrasive paste (grain size 3000).

Avoid car washes with alkaline shampoos — they destroy the varnish and accelerate the fading of the green pigment.