RAL 830-4 vs Rocky River
Where RAL 830-4 belongs to RAL Effect's range, Rocky River is a Sherwin-Williams color. Hue-wise, RAL 830-4 belongs to the grey family and Rocky River to the blue-green family. They have nearly identical light reflectance values (16 vs 15), so they'll read as similarly Dark in most lighting conditions. The ΔE 6.0 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 830-4 vs Rocky River in Real Spaces
2 real rooms side by side. RAL 830-4 and Rocky River 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.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. The distinction reads clearly at room scale, making the choice between them concrete.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
RAL 830-4 vs Rocky River Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 830-4 on one side and Rocky River 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 830-4 comparisons
See how RAL 830-4 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 16), opening up a space where RAL 830-4 encloses it.
At LRV 52 vs 16, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 16, Evergreen Fog is decisively the brighter choice.
At LRV 60 vs 16, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 16), opening up a space where RAL 830-4 encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 16), a gap that shows most in low-lit rooms.
At LRV 43 vs 16, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 16), opening up a space where RAL 830-4 encloses it.
Hardwick White reflects far more light (LRV 44 vs 16), opening up a space where RAL 830-4 encloses it.
At LRV 84 vs 16, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 16), opening up a space where RAL 830-4 encloses it.
Shoji White reflects far more light (LRV 74 vs 16), opening up a space where RAL 830-4 encloses it.
RAL 830-4 reads slightly lighter (LRV 16 vs 12), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 16), opening up a space where RAL 830-4 encloses it.
RAL 830-4 reads slightly lighter (LRV 16 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 16), opening up a space where RAL 830-4 encloses it.
At LRV 31 vs 16, Pale Green is decisively the brighter choice.
A 9-point LRV gap (16 vs 7) makes RAL 830-4 the marginally brighter of the two.
A 8-point LRV gap (24 vs 16) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 16, Guilford Green is decisively the brighter choice.