RAL 770-6 vs Lauriston Stone
Where RAL 770-6 belongs to RAL Effect's range, Lauriston Stone is a Sherwin-Williams color. Hue-wise, RAL 770-6 belongs to the grey family and Lauriston Stone to the greige-grey family. They have nearly identical light reflectance values (21 vs 22), so they'll read as similarly Dark in most lighting conditions. The ΔE 3.7 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 770-6 vs Lauriston Stone in Real Spaces
1 real room side by side. RAL 770-6 and Lauriston Stone 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.
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. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
RAL 770-6 vs Lauriston Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 770-6 on one side and Lauriston Stone 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 770-6 comparisons
See how RAL 770-6 stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 21, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 21), opening up a space where RAL 770-6 encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 21), a gap that shows most in low-lit rooms.
Agreeable Gray reflects far more light (LRV 60 vs 21), opening up a space where RAL 770-6 encloses it.
At LRV 58 vs 21, Accessible Beige is decisively the brighter choice.
A 6-point LRV gap (27 vs 21) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 21), opening up a space where RAL 770-6 encloses it.
At LRV 55 vs 21, Tranquil Dawn is decisively the brighter choice.
At LRV 44 vs 21, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 21), opening up a space where RAL 770-6 encloses it.
At LRV 66 vs 21, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 21, Shoji White is decisively the brighter choice.
A 10-point LRV gap (21 vs 12) makes RAL 770-6 the marginally brighter of the two.
At LRV 21 vs 8, RAL 770-6 is decisively the brighter choice.
At LRV 68 vs 21, Skimming Stone is decisively the brighter choice.
A 10-point LRV gap (21 vs 12) makes RAL 770-6 the marginally brighter of the two.
At LRV 45 vs 21, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 21), a gap that shows most in low-lit rooms.