RAL 840-1 vs Sanctuary
Where RAL 840-1 belongs to RAL Effect's range, Sanctuary is a Sherwin-Williams color. Both sit in the beige-greige family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (77 vs 76), so they'll read as similarly Light in most lighting conditions. At ΔE 1.1, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 840-1 vs Sanctuary in Real Spaces
3 real rooms side by side. RAL 840-1 and Sanctuary 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
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 two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
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. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Color Details
RAL 840-1 vs Sanctuary Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 840-1 on one side and Sanctuary 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 840-1 comparisons
See how RAL 840-1 stacks up against other well-photographed colors across different brands and tones.
White Dove reads slightly lighter (LRV 83 vs 77), a gap that shows most in low-lit rooms.
At LRV 77 vs 52, RAL 840-1 is decisively the brighter choice.
At LRV 77 vs 30, RAL 840-1 is decisively the brighter choice.
At LRV 77 vs 60, RAL 840-1 is decisively the brighter choice.
RAL 840-1 reflects far more light (LRV 77 vs 58), opening up a space where Accessible Beige encloses it.
RAL 840-1 reflects far more light (LRV 77 vs 27), opening up a space where Denim Drift encloses it.
At LRV 77 vs 43, RAL 840-1 is decisively the brighter choice.
RAL 840-1 reflects far more light (LRV 77 vs 55), opening up a space where Tranquil Dawn encloses it.
RAL 840-1 reflects far more light (LRV 77 vs 44), opening up a space where Hardwick White encloses it.
A 7-point LRV gap (84 vs 77) makes Pure White the marginally brighter of the two.
RAL 840-1 reads slightly lighter (LRV 77 vs 66), a gap that shows most in low-lit rooms.
With LRVs of 77 and 74, the two reflect almost the same amount of light.
RAL 840-1 reflects far more light (LRV 77 vs 12), opening up a space where Pewter Green encloses it.
RAL 840-1 reflects far more light (LRV 77 vs 8), opening up a space where Duck Green encloses it.
RAL 840-1 reads slightly lighter (LRV 77 vs 68), a gap that shows most in low-lit rooms.
RAL 840-1 reflects far more light (LRV 77 vs 12), opening up a space where Vintage Vogue encloses it.
RAL 840-1 reflects far more light (LRV 77 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 77 vs 31, RAL 840-1 is decisively the brighter choice.