French Gray vs S 4010-B70G
Where French Gray belongs to Farrow & Ball's range, S 4010-B70G is a NCS color. Hue-wise, French Gray belongs to the beige-greige family and S 4010-B70G to the blue-grey family. French Gray (LRV 43) reflects noticeably more light than S 4010-B70G (LRV 28), a difference of 15 points that becomes especially apparent in rooms with limited natural light. French Gray runs warm while S 4010-B70G is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 19.0, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
French Gray vs S 4010-B70G in Real Spaces
1 real room side by side. Seeing French Gray and S 4010-B70G 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than S 4010-B70G would.
Color Details
French Gray vs S 4010-B70G Simulated Comparison
5 simulated room previews — drag the slider on each to see French Gray on one side and S 4010-B70G 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 French Gray comparisons
See how French Gray stacks up against other well-photographed colors across different brands and tones.









































