Thundercloud vs RAL 610-1
Thundercloud is a Behr color while RAL 610-1 comes from RAL Effect. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. With LRVs of 23 and 25, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 5.1, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Thundercloud vs RAL 610-1 in Real Spaces
1 real room side by side. Thundercloud and RAL 610-1 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. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
Thundercloud vs RAL 610-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see Thundercloud on one side and RAL 610-1 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 Thundercloud comparisons
See how Thundercloud stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 23), opening up a space where Thundercloud encloses it.
At LRV 83 vs 23, White Dove is decisively the brighter choice.
At LRV 23 vs 6, Thundercloud is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 23), opening up a space where Thundercloud encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 23), a gap that shows most in low-lit rooms.
At LRV 52 vs 23, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 23), opening up a space where Thundercloud encloses it.
At LRV 58 vs 23, Accessible Beige is decisively the brighter choice.
A 4-point LRV gap (27 vs 23) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 23), opening up a space where Thundercloud encloses it.
Thundercloud reflects far more light (LRV 23 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 23, Tranquil Dawn is decisively the brighter choice.
A 9-point LRV gap (23 vs 13) makes Thundercloud the marginally brighter of the two.
At LRV 44 vs 23, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 23), opening up a space where Thundercloud encloses it.
With LRVs of 23 and 21, the two reflect almost the same amount of light.
At LRV 66 vs 23, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 23, Shoji White is decisively the brighter choice.
At LRV 83 vs 23, Snowbound is decisively the brighter choice.
Pigeon reflects far more light (LRV 51 vs 23), opening up a space where Thundercloud encloses it.
A 11-point LRV gap (23 vs 12) makes Thundercloud the marginally brighter of the two.
At LRV 23 vs 8, Thundercloud is decisively the brighter choice.
At LRV 68 vs 23, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 23), opening up a space where Thundercloud encloses it.
A 11-point LRV gap (23 vs 12) makes Thundercloud the marginally brighter of the two.
At LRV 45 vs 23, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 23), a gap that shows most in low-lit rooms.