Ruby Fountain 2 vs Agreeable Gray
Ruby Fountain 2 (Dulux) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Ruby Fountain 2 reads as pink-red, while Agreeable Gray reads as greige-grey — two distinct hue families, not close cousins. The 50-point LRV gap — 60 for Agreeable Gray vs 10 for Ruby Fountain 2 — means Agreeable Gray will open up a space more effectively. Both share a warm character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 68.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Ruby Fountain 2 vs Agreeable Gray in Real Spaces
2 real rooms side by side. Seeing Ruby Fountain 2 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.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Ruby Fountain 2.
Color Details
Ruby Fountain 2 vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Ruby Fountain 2 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 Ruby Fountain 2 comparisons
See how Ruby Fountain 2 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 Ruby Fountain 2 encloses it.
A 4-point LRV gap (10 vs 6) makes Ruby Fountain 2 the marginally brighter of the two.
Purbeck Stone reflects far more light (LRV 52 vs 10), opening up a space where Ruby Fountain 2 encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 10), opening up a space where Ruby Fountain 2 encloses it.
At LRV 52 vs 10, Mizzle is decisively the brighter choice.
At LRV 58 vs 10, Accessible Beige is decisively the brighter choice.
At LRV 27 vs 10, Denim Drift is decisively the brighter choice.
French Gray reflects far more light (LRV 43 vs 10), opening up a space where Ruby Fountain 2 encloses it.
Ruby Fountain 2 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 Ruby Fountain 2 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 Ruby Fountain 2 encloses it.
Calamine reflects far more light (LRV 68 vs 10), opening up a space where Ruby Fountain 2 encloses it.
Treron reflects far more light (LRV 25 vs 10), opening up a space where Ruby Fountain 2 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 Ruby Fountain 2 encloses it.
Ruby Fountain 2 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 Ruby Fountain 2 encloses it.
Guilford Green reflects far more light (LRV 57 vs 10), opening up a space where Ruby Fountain 2 encloses it.
Just Walnut reflects far more light (LRV 72 vs 10), opening up a space where Ruby Fountain 2 encloses it.