City Fog vs RAL 850-5
City Fog is a Dulux color while RAL 850-5 comes from RAL Effect. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 15 and 14, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 3.0, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
City Fog vs RAL 850-5 in Real Spaces
1 real room side by side. City Fog and RAL 850-5 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. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
City Fog vs RAL 850-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see City Fog on one side and RAL 850-5 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 City Fog comparisons
See how City Fog stacks up against other well-photographed colors across different brands and tones.
