Mountain Olive vs French Gray
Mountain Olive is a Behr color while French Gray comes from Farrow & Ball. Mountain Olive reads as greige-grey, while French Gray reads as beige-greige — two distinct hue families, not close cousins. At LRV 43 vs 12, French Gray will read as the brighter of the two — a 31-point gap that matters most in north-facing or low-light rooms. The tonal difference — Mountain Olive's yellow character against French Gray's warm — becomes most visible against white trim or in morning light. At ΔE 30.5, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mountain Olive vs French Gray in Real Spaces
6 real rooms side by side. Seeing Mountain Olive and French Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than Mountain Olive would.
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. French Gray reflects noticeably more light off the walls, making the space read more open than Mountain Olive.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than Mountain Olive would.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than Mountain Olive would.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. French Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than Mountain Olive would.
Color Details
Mountain Olive vs French Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountain Olive on one side and French Gray 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 Mountain Olive comparisons
See how Mountain Olive stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 12, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 12), opening up a space where Mountain Olive encloses it.
A 7-point LRV gap (12 vs 6) makes Mountain Olive the marginally brighter of the two.
Purbeck Stone reflects far more light (LRV 52 vs 12), opening up a space where Mountain Olive encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 12), opening up a space where Mountain Olive encloses it.
At LRV 52 vs 12, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 12), opening up a space where Mountain Olive encloses it.
At LRV 58 vs 12, Accessible Beige is decisively the brighter choice.
At LRV 27 vs 12, Denim Drift is decisively the brighter choice.
Mountain Olive reads slightly lighter (LRV 12 vs 4), a gap that shows most in low-lit rooms.
At LRV 55 vs 12, Tranquil Dawn is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 13 vs 12), so neither reads brighter in a room.
At LRV 44 vs 12, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 12), opening up a space where Mountain Olive encloses it.
Artichoke reads slightly lighter (LRV 21 vs 12), a gap that shows most in low-lit rooms.
At LRV 66 vs 12, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 12, Shoji White is decisively the brighter choice.
At LRV 83 vs 12, Snowbound is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 12 vs 12), so neither reads brighter in a room.
At LRV 68 vs 12, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 12), opening up a space where Mountain Olive encloses it.
Calamine reflects far more light (LRV 68 vs 12), opening up a space where Mountain Olive encloses it.
Treron reflects far more light (LRV 25 vs 12), opening up a space where Mountain Olive encloses it.
Their light reflectance is nearly identical (LRV 12 vs 12), so neither reads brighter in a room.
At LRV 45 vs 12, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 12), opening up a space where Mountain Olive encloses it.
Mountain Olive reads slightly lighter (LRV 12 vs 7), a gap that shows most in low-lit rooms.
Cement grey reflects far more light (LRV 24 vs 12), opening up a space where Mountain Olive encloses it.
Guilford Green reflects far more light (LRV 57 vs 12), opening up a space where Mountain Olive encloses it.
Just Walnut reflects far more light (LRV 72 vs 12), opening up a space where Mountain Olive encloses it.