RAL 770-5 vs Stone Lion
RAL 770-5 (RAL Effect) and Stone Lion (Sherwin-Williams) come from different manufacturers. Hue-wise, RAL 770-5 belongs to the greige-grey family and Stone Lion to the beige-greige family. The 5-point LRV gap — 43 for RAL 770-5 vs 38 for Stone Lion — means RAL 770-5 will open up a space more effectively. ΔE 5.6 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 770-5 vs Stone Lion in Real Spaces
1 real room side by side. RAL 770-5 and Stone Lion 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.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. RAL 770-5 has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
RAL 770-5 vs Stone Lion Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 770-5 on one side and Stone Lion 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 770-5 comparisons
See how RAL 770-5 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 43), opening up a space where RAL 770-5 encloses it.
A 9-point LRV gap (52 vs 43) makes Purbeck Stone the marginally brighter of the two.
At LRV 43 vs 30, RAL 770-5 is decisively the brighter choice.
At LRV 60 vs 43, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 43), opening up a space where RAL 770-5 encloses it.
RAL 770-5 reflects far more light (LRV 43 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 43), so neither reads brighter in a room.
Tranquil Dawn reflects far more light (LRV 55 vs 43), opening up a space where RAL 770-5 encloses it.
With LRVs of 44 and 43, the two reflect almost the same amount of light.
At LRV 84 vs 43, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 43), opening up a space where RAL 770-5 encloses it.
Shoji White reflects far more light (LRV 74 vs 43), opening up a space where RAL 770-5 encloses it.
RAL 770-5 reflects far more light (LRV 43 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 43), opening up a space where RAL 770-5 encloses it.
RAL 770-5 reflects far more light (LRV 43 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 45 and 43, the two reflect almost the same amount of light.
A 12-point LRV gap (43 vs 31) makes RAL 770-5 the marginally brighter of the two.
At LRV 43 vs 7, RAL 770-5 is decisively the brighter choice.
At LRV 43 vs 24, RAL 770-5 is decisively the brighter choice.
At LRV 57 vs 43, Guilford Green is decisively the brighter choice.