Mill Springs Blue vs Ammonite
Mill Springs Blue is a Benjamin Moore color while Ammonite comes from Farrow & Ball. Mill Springs Blue reads as blue, while Ammonite reads as beige-greige — two distinct hue families, not close cousins. At LRV 69 vs 34, Ammonite will read as the brighter of the two — a 35-point gap that matters most in north-facing or low-light rooms. The tonal difference — Mill Springs Blue's green and blue character against Ammonite's warm — becomes most visible against white trim or in morning light. At ΔE 27.5, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mill Springs Blue vs Ammonite in Real Spaces
3 real rooms side by side. Seeing Mill Springs Blue and Ammonite 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. Ammonite returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The LRV gap is large enough that Ammonite will make the room feel meaningfully brighter than Mill Springs Blue would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Ammonite will make the room feel meaningfully brighter than Mill Springs Blue would.
Color Details
Mill Springs Blue vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Mill Springs Blue on one side and Ammonite 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 Mill Springs Blue comparisons
See how Mill Springs Blue stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 34), opening up a space where Mill Springs Blue encloses it.
Mill Springs Blue reflects far more light (LRV 34 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 34, Purbeck Stone is decisively the brighter choice.
A 3-point LRV gap (34 vs 30) makes Mill Springs Blue the marginally brighter of the two.
Mizzle reflects far more light (LRV 52 vs 34), opening up a space where Mill Springs Blue encloses it.
At LRV 60 vs 34, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 34), opening up a space where Mill Springs Blue encloses it.
Mill Springs Blue reads slightly lighter (LRV 34 vs 27), a gap that shows most in low-lit rooms.
A 10-point LRV gap (43 vs 34) makes French Gray the marginally brighter of the two.
At LRV 34 vs 4, Mill Springs Blue is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 34), opening up a space where Mill Springs Blue encloses it.
Mill Springs Blue reflects far more light (LRV 34 vs 13), opening up a space where Bancha encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 34), a gap that shows most in low-lit rooms.
At LRV 84 vs 34, Pure White is decisively the brighter choice.
At LRV 34 vs 21, Mill Springs Blue is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 34), opening up a space where Mill Springs Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 34), opening up a space where Mill Springs Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 34), opening up a space where Mill Springs Blue encloses it.
Mill Springs Blue reflects far more light (LRV 34 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 34), opening up a space where Mill Springs Blue encloses it.
A 7-point LRV gap (41 vs 34) makes Dix Blue the marginally brighter of the two.
At LRV 68 vs 34, Calamine is decisively the brighter choice.
A 9-point LRV gap (34 vs 25) makes Mill Springs Blue the marginally brighter of the two.
Mill Springs Blue reflects far more light (LRV 34 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 34), a gap that shows most in low-lit rooms.
Their light reflectance is nearly identical (LRV 34 vs 31), so neither reads brighter in a room.
At LRV 34 vs 7, Mill Springs Blue is decisively the brighter choice.
A 9-point LRV gap (34 vs 24) makes Mill Springs Blue the marginally brighter of the two.
At LRV 57 vs 34, Guilford Green is decisively the brighter choice.
At LRV 72 vs 34, Just Walnut is decisively the brighter choice.