Sonic Silver vs Cement grey
Where Sonic Silver belongs to Behr's range, Cement grey is a RAL Classic color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. Sonic Silver (LRV 47) reflects noticeably more light than Cement grey (LRV 24), a difference of 23 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 21.1, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Sonic Silver vs Cement grey in Real Spaces
2 real rooms side by side. Seeing Sonic Silver and Cement grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Sonic Silver will make the room feel meaningfully brighter than Cement grey would.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Sonic Silver reflects noticeably more light off the walls, making the space read more open than Cement grey.
Color Details
Sonic Silver vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Sonic Silver on one side and Cement grey on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Sonic Silver comparisons
See how Sonic Silver stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 47), opening up a space where Sonic Silver encloses it.
At LRV 69 vs 47, Ammonite is decisively the brighter choice.
Sonic Silver reflects far more light (LRV 47 vs 6), opening up a space where Iron Ore encloses it.
A 5-point LRV gap (52 vs 47) makes Purbeck Stone the marginally brighter of the two.
At LRV 47 vs 30, Sonic Silver is decisively the brighter choice.
Mizzle reads slightly lighter (LRV 52 vs 47), a gap that shows most in low-lit rooms.
At LRV 60 vs 47, Agreeable Gray is decisively the brighter choice.
Accessible Beige reads slightly lighter (LRV 58 vs 47), a gap that shows most in low-lit rooms.
Sonic Silver reflects far more light (LRV 47 vs 27), opening up a space where Denim Drift encloses it.
A 4-point LRV gap (47 vs 43) makes Sonic Silver the marginally brighter of the two.
At LRV 47 vs 4, Sonic Silver is decisively the brighter choice.
Tranquil Dawn reads slightly lighter (LRV 55 vs 47), a gap that shows most in low-lit rooms.
Sonic Silver reflects far more light (LRV 47 vs 13), opening up a space where Bancha encloses it.
Sonic Silver reads slightly lighter (LRV 47 vs 44), a gap that shows most in low-lit rooms.
At LRV 84 vs 47, Pure White is decisively the brighter choice.
At LRV 47 vs 21, Sonic Silver is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 47), opening up a space where Sonic Silver encloses it.
Shoji White reflects far more light (LRV 74 vs 47), opening up a space where Sonic Silver encloses it.
Snowbound reflects far more light (LRV 83 vs 47), opening up a space where Sonic Silver encloses it.
Sonic Silver reflects far more light (LRV 47 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 47), opening up a space where Sonic Silver encloses it.
A 6-point LRV gap (47 vs 41) makes Sonic Silver the marginally brighter of the two.
At LRV 68 vs 47, Calamine is decisively the brighter choice.
At LRV 47 vs 25, Sonic Silver is decisively the brighter choice.
Sonic Silver reflects far more light (LRV 47 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 47 and 45, the two reflect almost the same amount of light.
At LRV 47 vs 31, Sonic Silver is decisively the brighter choice.
At LRV 47 vs 7, Sonic Silver is decisively the brighter choice.
A 10-point LRV gap (57 vs 47) makes Guilford Green the marginally brighter of the two.
At LRV 72 vs 47, Just Walnut is decisively the brighter choice.