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.
