Coliseum Marble vs Agreeable Gray
Coliseum Marble (Behr) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Hue-wise, Coliseum Marble belongs to the beige-greige family and Agreeable Gray to the greige-grey family. The 3-point LRV gap — 60 for Agreeable Gray vs 58 for Coliseum Marble — means Agreeable Gray will open up a space more effectively. Where Coliseum Marble leans yellow, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 4.4 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Coliseum Marble vs Agreeable Gray in Real Spaces
2 real rooms side by side. Coliseum Marble and Agreeable Gray are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. The distinction reads clearly at room scale, making the choice between them concrete.
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. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Color Details
Coliseum Marble vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Coliseum Marble 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 Coliseum Marble comparisons
See how Coliseum Marble stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 58, White Dove is decisively the brighter choice.
Ammonite reads slightly lighter (LRV 69 vs 58), a gap that shows most in low-lit rooms.
At LRV 58 vs 6, Coliseum Marble is decisively the brighter choice.
Coliseum Marble reads slightly lighter (LRV 58 vs 52), a gap that shows most in low-lit rooms.
Coliseum Marble reflects far more light (LRV 58 vs 30), opening up a space where Evergreen Fog encloses it.
A 6-point LRV gap (58 vs 52) makes Coliseum Marble the marginally brighter of the two.
Their light reflectance is nearly identical (LRV 58 vs 58), so neither reads brighter in a room.
At LRV 58 vs 27, Coliseum Marble is decisively the brighter choice.
Coliseum Marble reflects far more light (LRV 58 vs 43), opening up a space where French Gray encloses it.
Coliseum Marble reflects far more light (LRV 58 vs 4), opening up a space where Naval encloses it.
Their light reflectance is nearly identical (LRV 58 vs 55), so neither reads brighter in a room.
At LRV 58 vs 13, Coliseum Marble is decisively the brighter choice.
At LRV 58 vs 44, Coliseum Marble is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 58), opening up a space where Coliseum Marble encloses it.
Coliseum Marble reflects far more light (LRV 58 vs 21), opening up a space where Artichoke encloses it.
A 8-point LRV gap (66 vs 58) makes Balboa Mist the marginally brighter of the two.
At LRV 74 vs 58, Shoji White is decisively the brighter choice.
At LRV 83 vs 58, Snowbound is decisively the brighter choice.
At LRV 58 vs 12, Coliseum Marble is decisively the brighter choice.
A 11-point LRV gap (68 vs 58) makes Skimming Stone the marginally brighter of the two.
Coliseum Marble reflects far more light (LRV 58 vs 41), opening up a space where Dix Blue encloses it.
Calamine reads slightly lighter (LRV 68 vs 58), a gap that shows most in low-lit rooms.
Coliseum Marble reflects far more light (LRV 58 vs 25), opening up a space where Treron encloses it.
At LRV 58 vs 12, Coliseum Marble is decisively the brighter choice.
At LRV 58 vs 45, Coliseum Marble is decisively the brighter choice.
Coliseum Marble reflects far more light (LRV 58 vs 31), opening up a space where Pale Green encloses it.
Coliseum Marble reflects far more light (LRV 58 vs 7), opening up a space where Pine Needle encloses it.
Coliseum Marble reflects far more light (LRV 58 vs 24), opening up a space where Cement grey encloses it.
With LRVs of 58 and 57, the two reflect almost the same amount of light.
Just Walnut reflects far more light (LRV 72 vs 58), opening up a space where Coliseum Marble encloses it.