Britannia Blue vs Pewter Green
Britannia Blue is a Benjamin Moore color while Pewter Green comes from Sherwin-Williams. Britannia Blue reads as blue-grey, while Pewter Green reads as green-grey — two distinct hue families, not close cousins. At LRV 18 vs 12, Britannia Blue will read as the brighter of the two — a 6-point gap that matters most in north-facing or low-light rooms. The tonal difference — Britannia Blue's blue character against Pewter Green's neutral — becomes most visible against white trim or in morning light. At ΔE 13.0, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Britannia Blue vs Pewter Green in Real Spaces
4 real rooms side by side. Seeing Britannia Blue and Pewter Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Britannia Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. Britannia Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The brightness difference is modest but present — Britannia Blue gives the walls a little more lift.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — Britannia Blue gives the walls a little more lift.
Color Details
Britannia Blue vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Britannia Blue on one side and Pewter Green 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 Britannia Blue comparisons
See how Britannia Blue stacks up against other well-photographed colors across different brands and tones.
