Castle Peak Gray vs City Fog
Castle Peak Gray (Benjamin Moore) and City Fog (Dulux) come from different manufacturers. Castle Peak Gray reads as greige-grey, while City Fog reads as grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 15 vs 15 — so neither will read significantly brighter or darker than the other. Where Castle Peak Gray leans yellow, City Fog reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 5.2 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Castle Peak Gray vs City Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Peak Gray on one side and City 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 Castle Peak Gray comparisons
See how Castle Peak Gray stacks up against other well-photographed colors across different brands and tones.








































