Brewster Gray vs Quartz Flint 1
Brewster Gray (Benjamin Moore) and Quartz Flint 1 (Dulux) come from different manufacturers. Brewster Gray reads as blue-grey, while Quartz Flint 1 reads as grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 30 vs 31 — so neither will read significantly brighter or darker than the other. Where Brewster Gray leans blue, Quartz Flint 1 reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 2.3 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Brewster Gray vs Quartz Flint 1 in Real Spaces
1 real room side by side. Brewster Gray and Quartz Flint 1 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.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Color Details
Brewster Gray vs Quartz Flint 1 Simulated Comparison
5 simulated room previews — drag the slider on each to see Brewster Gray on one side and Quartz Flint 1 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 Brewster Gray comparisons
See how Brewster Gray stacks up against other well-photographed colors across different brands and tones.










































