September Morning vs Agreeable Gray
September Morning (Behr) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Hue-wise, September Morning belongs to the beige-greige family and Agreeable Gray to the greige-grey family. The 23-point LRV gap — 83 for September Morning vs 60 for Agreeable Gray — means September Morning will open up a space more effectively. Where September Morning leans red, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 43.3 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.
September Morning vs Agreeable Gray in Real Spaces
1 real room side by side. Seeing September Morning 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.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. September Morning returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
September Morning vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see September Morning 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 September Morning comparisons
See how September Morning stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 69, September Morning is decisively the brighter choice.
With LRVs of 83 and 83, the two reflect almost the same amount of light.
September Morning reflects far more light (LRV 83 vs 6), opening up a space where Iron Ore encloses it.
At LRV 83 vs 52, September Morning is decisively the brighter choice.
At LRV 83 vs 30, September Morning is decisively the brighter choice.
September Morning reflects far more light (LRV 83 vs 52), opening up a space where Mizzle encloses it.
September Morning reflects far more light (LRV 83 vs 58), opening up a space where Accessible Beige encloses it.
September Morning reflects far more light (LRV 83 vs 27), opening up a space where Denim Drift encloses it.
At LRV 83 vs 43, September Morning is decisively the brighter choice.
At LRV 83 vs 4, September Morning is decisively the brighter choice.
September Morning reflects far more light (LRV 83 vs 55), opening up a space where Tranquil Dawn encloses it.
September Morning reflects far more light (LRV 83 vs 13), opening up a space where Bancha encloses it.
September Morning reflects far more light (LRV 83 vs 44), opening up a space where Hardwick White encloses it.
Their light reflectance is nearly identical (LRV 84 vs 83), so neither reads brighter in a room.
At LRV 83 vs 21, September Morning is decisively the brighter choice.
September Morning reflects far more light (LRV 83 vs 66), opening up a space where Balboa Mist encloses it.
September Morning reads slightly lighter (LRV 83 vs 74), a gap that shows most in low-lit rooms.
With LRVs of 83 and 83, the two reflect almost the same amount of light.
At LRV 83 vs 51, September Morning is decisively the brighter choice.
September Morning reflects far more light (LRV 83 vs 12), opening up a space where Pewter Green encloses it.
September Morning reflects far more light (LRV 83 vs 8), opening up a space where Duck Green encloses it.
September Morning reflects far more light (LRV 83 vs 68), opening up a space where Skimming Stone encloses it.
At LRV 83 vs 41, September Morning is decisively the brighter choice.
September Morning reflects far more light (LRV 83 vs 12), opening up a space where Vintage Vogue encloses it.
September Morning reflects far more light (LRV 83 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 83 vs 31, September Morning is decisively the brighter choice.
At LRV 83 vs 7, September Morning is decisively the brighter choice.