Peaceful Blue vs Agreeable Gray
Where Peaceful Blue belongs to Behr's range, Agreeable Gray is a Sherwin-Williams color. Peaceful Blue reads as blue-grey, while Agreeable Gray reads as greige-grey — two distinct hue families, not close cousins. Agreeable Gray (LRV 60) reflects noticeably more light than Peaceful Blue (LRV 44), a difference of 16 points that becomes especially apparent in rooms with limited natural light. Peaceful Blue runs blue while Agreeable Gray is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 53.6, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Peaceful Blue vs Agreeable Gray in Real Spaces
3 real rooms side by side. Seeing Peaceful Blue and Agreeable 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 Agreeable Gray will make the room feel meaningfully brighter than Peaceful Blue 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. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Peaceful Blue.
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. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Peaceful Blue.
Color Details
Peaceful Blue vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Peaceful Blue on one side and Agreeable 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 Peaceful Blue comparisons
See how Peaceful Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 44, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 44), opening up a space where Peaceful Blue encloses it.
Peaceful Blue reflects far more light (LRV 44 vs 6), opening up a space where Iron Ore encloses it.
A 8-point LRV gap (52 vs 44) makes Purbeck Stone the marginally brighter of the two.
At LRV 44 vs 30, Peaceful Blue is decisively the brighter choice.
Mizzle reads slightly lighter (LRV 52 vs 44), a gap that shows most in low-lit rooms.
Accessible Beige reflects far more light (LRV 58 vs 44), opening up a space where Peaceful Blue encloses it.
Peaceful Blue reflects far more light (LRV 44 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 44 vs 43), so neither reads brighter in a room.
At LRV 44 vs 4, Peaceful Blue is decisively the brighter choice.
Tranquil Dawn reads slightly lighter (LRV 55 vs 44), a gap that shows most in low-lit rooms.
Peaceful Blue reflects far more light (LRV 44 vs 13), opening up a space where Bancha encloses it.
With LRVs of 44 and 44, the two reflect almost the same amount of light.
At LRV 84 vs 44, Pure White is decisively the brighter choice.
At LRV 44 vs 21, Peaceful Blue is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 44), opening up a space where Peaceful Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 44), opening up a space where Peaceful Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 44), opening up a space where Peaceful Blue encloses it.
A 7-point LRV gap (51 vs 44) makes Pigeon the marginally brighter of the two.
Peaceful Blue reflects far more light (LRV 44 vs 12), opening up a space where Pewter Green encloses it.
Peaceful Blue reflects far more light (LRV 44 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 44), opening up a space where Peaceful Blue encloses it.
A 3-point LRV gap (44 vs 41) makes Peaceful Blue the marginally brighter of the two.
Peaceful Blue reflects far more light (LRV 44 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 45 and 44, the two reflect almost the same amount of light.
At LRV 44 vs 31, Peaceful Blue is decisively the brighter choice.
At LRV 44 vs 7, Peaceful Blue is decisively the brighter choice.