RAL 660-1 vs Pewter Green
RAL 660-1 is a RAL Effect color while Pewter Green comes from Sherwin-Williams. Hue-wise, RAL 660-1 belongs to the blue family and Pewter Green to the green-grey family. At LRV 15 vs 12, RAL 660-1 will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 37.7, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 660-1 vs Pewter Green in Real Spaces
6 real rooms side by side. Seeing RAL 660-1 and Pewter Green 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. RAL 660-1 has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The brightness difference is modest but present — RAL 660-1 gives the walls a little more lift.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The brightness difference is modest but present — RAL 660-1 gives the walls a little more lift.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The brightness difference is modest but present — RAL 660-1 gives the walls a little more lift.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — RAL 660-1 gives the walls a little more lift.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — RAL 660-1 gives the walls a little more lift.
Color Details
RAL 660-1 vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 660-1 on one side and Pewter Green 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 RAL 660-1 comparisons
See how RAL 660-1 stacks up against other well-photographed colors across different brands and tones.


White Dove reflects far more light (LRV 83 vs 15), opening up a space where RAL 660-1 encloses it.


At LRV 52 vs 15, Purbeck Stone is decisively the brighter choice.


At LRV 30 vs 15, Evergreen Fog is decisively the brighter choice.


At LRV 60 vs 15, Agreeable Gray is decisively the brighter choice.


Accessible Beige reflects far more light (LRV 58 vs 15), opening up a space where RAL 660-1 encloses it.


Denim Drift reflects far more light (LRV 27 vs 15), opening up a space where RAL 660-1 encloses it.


At LRV 43 vs 15, French Gray is decisively the brighter choice.


Tranquil Dawn reflects far more light (LRV 55 vs 15), opening up a space where RAL 660-1 encloses it.


Hardwick White reflects far more light (LRV 44 vs 15), opening up a space where RAL 660-1 encloses it.


At LRV 84 vs 15, Pure White is decisively the brighter choice.


Balboa Mist reflects far more light (LRV 66 vs 15), opening up a space where RAL 660-1 encloses it.


Shoji White reflects far more light (LRV 74 vs 15), opening up a space where RAL 660-1 encloses it.


RAL 660-1 reads slightly lighter (LRV 15 vs 8), a gap that shows most in low-lit rooms.


Skimming Stone reflects far more light (LRV 68 vs 15), opening up a space where RAL 660-1 encloses it.


With LRVs of 15 and 12, the two reflect almost the same amount of light.


Saybrook Sage reflects far more light (LRV 45 vs 15), opening up a space where RAL 660-1 encloses it.


At LRV 31 vs 15, Pale Green is decisively the brighter choice.


A 8-point LRV gap (15 vs 7) makes RAL 660-1 the marginally brighter of the two.

































