RAL 810-1 vs Let it Rain
RAL 810-1 is a RAL Effect color while Let it Rain comes from Sherwin-Williams. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 33 and 34, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 1.1, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 810-1 vs Let it Rain in Real Spaces
2 real rooms side by side. RAL 810-1 and Let it Rain 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 amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
RAL 810-1 vs Let it Rain Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 810-1 on one side and Let it Rain 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 810-1 comparisons
See how RAL 810-1 stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 33, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 33), opening up a space where RAL 810-1 encloses it.
With LRVs of 33 and 30, the two reflect almost the same amount of light.
Agreeable Gray reflects far more light (LRV 60 vs 33), opening up a space where RAL 810-1 encloses it.
At LRV 58 vs 33, Accessible Beige is decisively the brighter choice.
A 6-point LRV gap (33 vs 27) makes RAL 810-1 the marginally brighter of the two.
French Gray reads slightly lighter (LRV 43 vs 33), a gap that shows most in low-lit rooms.
At LRV 55 vs 33, Tranquil Dawn is decisively the brighter choice.
A 10-point LRV gap (44 vs 33) makes Hardwick White the marginally brighter of the two.
Pure White reflects far more light (LRV 84 vs 33), opening up a space where RAL 810-1 encloses it.
At LRV 66 vs 33, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 33, Shoji White is decisively the brighter choice.
At LRV 33 vs 12, RAL 810-1 is decisively the brighter choice.
At LRV 33 vs 8, RAL 810-1 is decisively the brighter choice.
At LRV 68 vs 33, Skimming Stone is decisively the brighter choice.
At LRV 33 vs 12, RAL 810-1 is decisively the brighter choice.
At LRV 45 vs 33, Saybrook Sage is decisively the brighter choice.
With LRVs of 33 and 31, the two reflect almost the same amount of light.