Santa Monica Blue vs Agreeable Gray
Where Santa Monica Blue belongs to Benjamin Moore's range, Agreeable Gray is a Sherwin-Williams color. Hue-wise, Santa Monica Blue belongs to the blue family and Agreeable Gray to the greige-grey family. Agreeable Gray (LRV 60) reflects noticeably more light than Santa Monica Blue (LRV 16), a difference of 44 points that becomes especially apparent in rooms with limited natural light. Santa Monica 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 47.4, 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 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Santa Monica Blue vs Agreeable Gray in Real Spaces
6 real rooms side by side. Seeing Santa Monica 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 Santa Monica Blue would.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Home Office
The test for a home office color isn't how it looks in a quick glance — it's whether it still feels right after a full day of work. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Santa Monica Blue.
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. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Santa Monica Blue.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Agreeable Gray will make the room feel meaningfully brighter than Santa Monica Blue would.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Santa Monica Blue.
Color Details
Santa Monica Blue vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Santa Monica 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 Santa Monica Blue comparisons
See how Santa Monica Blue stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 16), opening up a space where Santa Monica Blue encloses it.
At LRV 83 vs 16, White Dove is decisively the brighter choice.
A 11-point LRV gap (16 vs 6) makes Santa Monica Blue the marginally brighter of the two.
Purbeck Stone reflects far more light (LRV 52 vs 16), opening up a space where Santa Monica Blue encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 16), opening up a space where Santa Monica Blue encloses it.
At LRV 52 vs 16, Mizzle is decisively the brighter choice.
At LRV 58 vs 16, Accessible Beige is decisively the brighter choice.
A 11-point LRV gap (27 vs 16) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 16), opening up a space where Santa Monica Blue encloses it.
Santa Monica Blue reads slightly lighter (LRV 16 vs 4), a gap that shows most in low-lit rooms.
At LRV 55 vs 16, Tranquil Dawn is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 16 vs 13), so neither reads brighter in a room.
At LRV 44 vs 16, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 16), opening up a space where Santa Monica Blue encloses it.
Artichoke reads slightly lighter (LRV 21 vs 16), a gap that shows most in low-lit rooms.
At LRV 66 vs 16, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 16, Shoji White is decisively the brighter choice.
At LRV 83 vs 16, Snowbound is decisively the brighter choice.
Pigeon reflects far more light (LRV 51 vs 16), opening up a space where Santa Monica Blue encloses it.
A 4-point LRV gap (16 vs 12) makes Santa Monica Blue the marginally brighter of the two.
A 8-point LRV gap (16 vs 8) makes Santa Monica Blue the marginally brighter of the two.
At LRV 68 vs 16, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 16), opening up a space where Santa Monica Blue encloses it.
A 4-point LRV gap (16 vs 12) makes Santa Monica Blue the marginally brighter of the two.
At LRV 45 vs 16, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 16), opening up a space where Santa Monica Blue encloses it.
Santa Monica Blue reads slightly lighter (LRV 16 vs 7), a gap that shows most in low-lit rooms.