City Fog vs RAL 850-M
Where City Fog belongs to Dulux's range, RAL 850-M is a RAL Effect color. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. City Fog (LRV 15) reflects noticeably more light than RAL 850-M (LRV 12), a difference of 3 points that becomes especially apparent in rooms with limited natural light. The ΔE 3.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. 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-M in Real Spaces
1 real room side by side. City Fog and RAL 850-M 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.
Color Details
City Fog vs RAL 850-M Simulated Comparison
5 simulated room previews — drag the slider on each to see City Fog on one side and RAL 850-M 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.









































