Matt Stone Grey RAL 7030 Aqua Color: Uses and Coverage
By Modellbau & Plastikmodellbau | Published: 2026-10-31
Category: Product Reviews
Decide if Revell Aqua Color Matt Stone Grey (RAL 7030) 18ml fits your model: realistic matte grey for military and weathered subjects, plus coverage and thinning rules.
Quick answer
Choose Revell Aqua Color Matt Stone Grey (RAL 7030) 18ml when you need a flat, neutral grey for military vehicles, concrete surfaces, or weathered civilian models and want a water-thinnable acrylic. Skip it if you need a glossy finish, a warm beige-grey, or a single pot to cover a large area without primer.
What RAL 7030 stone grey actually looks like on a model
RAL 7030 is a mid-tone, slightly cool grey with a flat finish. On small scale models it reads as concrete, dust-covered metal, or faded paint rather than as a dark panzer grey. Under warm indoor lighting it can look lighter than the swatch, so test a patch on scrap plastic before committing to a whole hull.
Because the finish is matte, surface texture shows clearly. Sanding scratches and fingerprints that vanish under gloss will remain visible, so prepare the surface before painting.
Where the 18ml pot makes sense
An 18ml pot suits detail work, small vehicles, figure bases, and touch-ups rather than large aircraft or ship hulls. If you are painting a single 1/72 tank or a handful of scenery pieces, one pot is a sensible starting point. For a large area, buy two pots from the same batch or plan to prime and build up thin layers.
The acrylic can be diluted with water and has a mild odor, which makes it practical for brush painting at a desk without strong solvent ventilation.
Trade-offs to accept before you buy
Water-thinnable acrylics dry quickly, which is convenient but leaves little time to brush out edges. Over-thin the paint and it can pool; apply it too thick and brush marks stay in the matte film. Build coverage in several passes instead of one heavy coat.
Matte grey also hides nothing. If you need a smooth, reflective finish for a civilian car or a clean display piece, this is the wrong topcoat and you should choose a gloss or satin grey instead.
Decision rules for buying and using stone grey
- Match the subject first: Buy this pot if your reference shows a neutral, flat grey such as concrete, dusty metal, or faded military paint. If your reference is warm beige-grey or blue-grey, this shade will look wrong next to it. Compare the pot against your reference under the same light you paint in.
- Size the pot to the job: One 18ml pot is enough for detail work and small models. For a large hull or several vehicles, buy two pots and plan thin layers over primer rather than one thick coat.
- Thin with water, in small amounts: Add water a drop at a time until the paint flows without running. Apply two or three thin coats, letting each dry, instead of one heavy pass that fills detail. Test the thinned mix on scrap plastic before touching the model.
- Prepare the surface for matte: Sand and clean the plastic first, because the flat finish reveals scratches and fingerprints. A primer coat also helps the grey cover evenly.
- Choose a different finish when gloss is needed: If you need a reflective or satin surface, do not rely on this matte grey. Select a gloss or satin grey and use this pot only for weathering or detail areas.
Product facts
- Matt "Stone Grey" (RAL 7030) Aqua Color Acrylic 18ml: Revell Aqua Color Matt Stone Grey (RAL 7030) comes in an 18ml pot and belongs to the Aqua Color range, which covers all 88 shades. You can match this grey to other Aqua Color shades in the same system instead of mixing brands for a single project.

Matt "Stone Grey" (RAL 7030) Aqua Color Acrylic 18ml - Matt "Stone Grey" (RAL 7030) Aqua Color Acrylic 18ml: The paint can be diluted with water, has a mild odor, and is not flammable. Brush cleaning and thinning are simple, and the pot is practical for indoor work where solvent fumes would be a problem.
Who should buy this pot
Best for
- Military vehicle and figure painters who need a flat neutral grey
- Modelers painting concrete, rubble, or weathered scenery
- Brush painters who want a water-thinnable acrylic with mild odor
Not for
- Modelers who need a glossy or satin grey topcoat
- Large-scale projects that would need many pots of the same batch
- Anyone matching a warm beige-grey or blue-grey reference
