Opal Silk vs French Gray
Opal Silk (Behr) and French Gray (Farrow & Ball) come from different manufacturers. Opal Silk reads as blue-green, while French Gray reads as beige-greige — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 43 vs 43 — so neither will read significantly brighter or darker than the other. Where Opal Silk leans green, French Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 14.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Opal Silk vs French Gray in Real Spaces
2 real rooms side by side. Seeing Opal Silk 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. Opal Silk reads more restrained here, while French Gray adds a sense of enclosure and warmth.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. French Gray brings more warmth to the space, while Opal Silk keeps things cooler and crisper.
Color Details
Opal Silk vs French Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Opal Silk 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 Opal Silk comparisons
See how Opal Silk stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 43), opening up a space where Opal Silk encloses it.
A 8-point LRV gap (52 vs 43) makes Purbeck Stone the marginally brighter of the two.
At LRV 43 vs 30, Opal Silk is decisively the brighter choice.
At LRV 60 vs 43, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 43), opening up a space where Opal Silk encloses it.
Opal Silk reflects far more light (LRV 43 vs 27), opening up a space where Denim Drift encloses it.
Tranquil Dawn reads slightly lighter (LRV 55 vs 43), a gap that shows most in low-lit rooms.
With LRVs of 44 and 43, the two reflect almost the same amount of light.
At LRV 84 vs 43, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 43), opening up a space where Opal Silk encloses it.
Shoji White reflects far more light (LRV 74 vs 43), opening up a space where Opal Silk encloses it.
Opal Silk reflects far more light (LRV 43 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 43), opening up a space where Opal Silk encloses it.
Opal Silk reflects far more light (LRV 43 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 45 and 43, the two reflect almost the same amount of light.
At LRV 43 vs 31, Opal Silk is decisively the brighter choice.
At LRV 43 vs 7, Opal Silk is decisively the brighter choice.
At LRV 43 vs 24, Opal Silk is decisively the brighter choice.
At LRV 57 vs 43, Guilford Green is decisively the brighter choice.
At LRV 72 vs 43, Just Walnut is decisively the brighter choice.