Britannia Blue vs Slate Tile
Britannia Blue is a Benjamin Moore color while Slate Tile comes from Sherwin-Williams. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. At LRV 18 vs 15, Britannia Blue will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. The tonal difference — Britannia Blue's blue character against Slate Tile's cool — becomes most visible against white trim or in morning light. 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Britannia Blue vs Slate Tile in Real Spaces
3 real rooms side by side. Britannia Blue and Slate Tile 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
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.
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 Slate Tile Simulated Comparison
5 simulated room previews — drag the slider on each to see Britannia Blue on one side and Slate Tile 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.
White Dove reflects far more light (LRV 83 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 69 vs 18, Ammonite is decisively the brighter choice.
Britannia Blue reflects far more light (LRV 18 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 18, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 18, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 60 vs 18, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 18), opening up a space where Britannia Blue encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 18), a gap that shows most in low-lit rooms.
At LRV 43 vs 18, French Gray is decisively the brighter choice.
At LRV 18 vs 4, Britannia Blue is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 18), opening up a space where Britannia Blue encloses it.
Britannia Blue reads slightly lighter (LRV 18 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 84 vs 18, Pure White is decisively the brighter choice.
A 3-point LRV gap (21 vs 18) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 18), opening up a space where Britannia Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 18), opening up a space where Britannia Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 18), opening up a space where Britannia Blue encloses it.
Britannia Blue reads slightly lighter (LRV 18 vs 12), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 41 vs 18, Dix Blue is decisively the brighter choice.
At LRV 68 vs 18, Calamine is decisively the brighter choice.
A 7-point LRV gap (25 vs 18) makes Treron the marginally brighter of the two.
Britannia Blue reads slightly lighter (LRV 18 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 31 vs 18, Pale Green is decisively the brighter choice.
A 11-point LRV gap (18 vs 7) makes Britannia Blue the marginally brighter of the two.
A 6-point LRV gap (24 vs 18) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 18, Guilford Green is decisively the brighter choice.