RAL 830-4 vs Thames Fog
RAL 830-4 (RAL Effect) and Thames Fog (Valspar) come from different manufacturers. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. The 12-point LRV gap — 27 for Thames Fog vs 16 for RAL 830-4 — means Thames Fog will open up a space more effectively. A ΔE of 14.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 830-4 vs Thames Fog in Real Spaces
1 real room side by side. Seeing RAL 830-4 and Thames Fog in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Thames Fog returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
RAL 830-4 vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 830-4 on one side and Thames Fog 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.
