Blue Stream vs French Gray
Where Blue Stream belongs to Behr's range, French Gray is a Farrow & Ball color. Blue Stream reads as blue, while French Gray reads as beige-greige — two distinct hue families, not close cousins. French Gray (LRV 43) reflects noticeably more light than Blue Stream (LRV 10), a difference of 33 points that becomes especially apparent in rooms with limited natural light. Blue Stream runs blue while French Gray is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 42.4, 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 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Blue Stream vs French Gray in Real Spaces
5 real rooms side by side. Seeing Blue Stream 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.
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 Blue Stream would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. French Gray reflects noticeably more light off the walls, making the space read more open than Blue Stream.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. French Gray reflects noticeably more light off the walls, making the space read more open than Blue Stream.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. French Gray reflects noticeably more light off the walls, making the space read more open than Blue Stream.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. French Gray reflects noticeably more light off the walls, making the space read more open than Blue Stream.
Color Details
Blue Stream vs French Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Stream 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 Blue Stream comparisons
See how Blue Stream stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 10, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 10), opening up a space where Blue Stream encloses it.
A 4-point LRV gap (10 vs 6) makes Blue Stream the marginally brighter of the two.
Purbeck Stone reflects far more light (LRV 52 vs 10), opening up a space where Blue Stream encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 10), opening up a space where Blue Stream encloses it.
At LRV 52 vs 10, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 10), opening up a space where Blue Stream encloses it.
At LRV 58 vs 10, Accessible Beige is decisively the brighter choice.
At LRV 27 vs 10, Denim Drift is decisively the brighter choice.
Blue Stream reads slightly lighter (LRV 10 vs 4), a gap that shows most in low-lit rooms.
At LRV 55 vs 10, Tranquil Dawn is decisively the brighter choice.
A 3-point LRV gap (13 vs 10) makes Bancha the marginally brighter of the two.
At LRV 44 vs 10, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 10), opening up a space where Blue Stream encloses it.
Artichoke reads slightly lighter (LRV 21 vs 10), a gap that shows most in low-lit rooms.
At LRV 66 vs 10, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 10, Shoji White is decisively the brighter choice.
At LRV 83 vs 10, Snowbound is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 12 vs 10), so neither reads brighter in a room.
At LRV 68 vs 10, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 10), opening up a space where Blue Stream encloses it.
Calamine reflects far more light (LRV 68 vs 10), opening up a space where Blue Stream encloses it.
Treron reflects far more light (LRV 25 vs 10), opening up a space where Blue Stream encloses it.
Their light reflectance is nearly identical (LRV 12 vs 10), so neither reads brighter in a room.
At LRV 45 vs 10, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 10), opening up a space where Blue Stream encloses it.
Blue Stream reads slightly lighter (LRV 10 vs 7), a gap that shows most in low-lit rooms.
Cement grey reflects far more light (LRV 24 vs 10), opening up a space where Blue Stream encloses it.
Guilford Green reflects far more light (LRV 57 vs 10), opening up a space where Blue Stream encloses it.
Just Walnut reflects far more light (LRV 72 vs 10), opening up a space where Blue Stream encloses it.