Slate Blue vs French Gray
Slate Blue (Benjamin Moore) and French Gray (Farrow & Ball) come from different manufacturers. Hue-wise, Slate Blue belongs to the blue family and French Gray to the beige-greige family. Their light reflectance values are nearly the same — 43 vs 43 — so neither will read significantly brighter or darker than the other. Where Slate Blue leans blue, French Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 20.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Slate Blue vs French Gray in Real Spaces
1 real room side by side. Seeing Slate Blue 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.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Slate Blue reads more restrained here, while French Gray adds a sense of enclosure and warmth.
Color Details
Slate Blue vs French Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Slate Blue 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 Slate Blue comparisons
See how Slate Blue stacks up against other well-photographed colors across different brands and tones.
