Downpour Blue vs RAL 630-4
Downpour Blue is a Benjamin Moore color while RAL 630-4 comes from RAL Effect. These are both blues, so the question isn't which hue to choose — it's where within blue to land. With LRVs of 7 and 6, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 2.2, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Downpour Blue vs RAL 630-4 in Real Spaces
4 real rooms side by side. Downpour Blue and RAL 630-4 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
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.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Downpour Blue vs RAL 630-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Downpour Blue on one side and RAL 630-4 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 Downpour Blue comparisons
See how Downpour Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 7, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 7), opening up a space where Downpour Blue encloses it.
With LRVs of 7 and 6, the two reflect almost the same amount of light.
At LRV 52 vs 7, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 7, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 7), opening up a space where Downpour Blue encloses it.
At LRV 60 vs 7, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 7), opening up a space where Downpour Blue encloses it.
Denim Drift reflects far more light (LRV 27 vs 7), opening up a space where Downpour Blue encloses it.
At LRV 43 vs 7, French Gray is decisively the brighter choice.
A 3-point LRV gap (7 vs 4) makes Downpour Blue the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 7), opening up a space where Downpour Blue encloses it.
Bancha reads slightly lighter (LRV 13 vs 7), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 7), opening up a space where Downpour Blue encloses it.
At LRV 84 vs 7, Pure White is decisively the brighter choice.
At LRV 21 vs 7, Artichoke is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 7), opening up a space where Downpour Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 7), opening up a space where Downpour Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 7), opening up a space where Downpour Blue encloses it.
At LRV 51 vs 7, Pigeon is decisively the brighter choice.
Pewter Green reads slightly lighter (LRV 12 vs 7), a gap that shows most in low-lit rooms.
With LRVs of 8 and 7, the two reflect almost the same amount of light.
Skimming Stone reflects far more light (LRV 68 vs 7), opening up a space where Downpour Blue encloses it.
At LRV 41 vs 7, Dix Blue is decisively the brighter choice.
Vintage Vogue reads slightly lighter (LRV 12 vs 7), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 7), opening up a space where Downpour Blue encloses it.
At LRV 31 vs 7, Pale Green is decisively the brighter choice.