
RAL 780-6 vs Library Pewter
RAL 780-6 is a RAL Effect color while Library Pewter comes from Sherwin-Williams. These are both greige-greys, so the question isn't which hue to choose — it's where within greige-grey to land. At LRV 17 vs 15, Library Pewter will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 4.0, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 780-6 vs Library Pewter in Real Spaces
2 real rooms side by side. RAL 780-6 and Library Pewter are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
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. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
RAL 780-6 vs Library Pewter Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 780-6 on one side and Library Pewter 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 780-6 comparisons
See how RAL 780-6 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 780-6 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 780-6 encloses it.


Denim Drift reflects far more light (LRV 27 vs 15), opening up a space where RAL 780-6 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 780-6 encloses it.


Hardwick White reflects far more light (LRV 44 vs 15), opening up a space where RAL 780-6 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 780-6 encloses it.


Shoji White reflects far more light (LRV 74 vs 15), opening up a space where RAL 780-6 encloses it.


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


Skimming Stone reflects far more light (LRV 68 vs 15), opening up a space where RAL 780-6 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 780-6 encloses it.


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


A 8-point LRV gap (15 vs 7) makes RAL 780-6 the marginally brighter of the two.


A 9-point LRV gap (24 vs 15) makes Cement grey the marginally brighter of the two.


At LRV 57 vs 15, Guilford Green is decisively the brighter choice.























