Horizon Glow vs Agreeable Gray
Horizon Glow (PPG) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Horizon Glow reads as pink, while Agreeable Gray reads as greige-grey — two distinct hue families, not close cousins. The 38-point LRV gap — 60 for Agreeable Gray vs 22 for Horizon Glow — means Agreeable Gray will open up a space more effectively. A ΔE of 36.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 9 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Horizon Glow vs Agreeable Gray in Real Spaces
9 real rooms side by side. Seeing Horizon Glow 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
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. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Horizon Glow.
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. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Agreeable Gray will make the room feel meaningfully brighter than Horizon Glow would.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. 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
Home office walls matter more than most — you're looking at them all day, and a color that reads fine at first can become tiring over time. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Mudroom
In a hardworking space like a mudroom, the depth and warmth of a color reads differently than in a quieter room. The LRV gap is large enough that Agreeable Gray will make the room feel meaningfully brighter than Horizon Glow would.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. 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 Horizon Glow.
Color Details
Horizon Glow vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Horizon Glow 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 Horizon Glow comparisons
See how Horizon Glow stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 22), opening up a space where Horizon Glow encloses it.
At LRV 83 vs 22, White Dove is decisively the brighter choice.
At LRV 22 vs 6, Horizon Glow is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 22), opening up a space where Horizon Glow encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 22), a gap that shows most in low-lit rooms.
At LRV 52 vs 22, Mizzle is decisively the brighter choice.
At LRV 58 vs 22, Accessible Beige is decisively the brighter choice.
A 5-point LRV gap (27 vs 22) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 22), opening up a space where Horizon Glow encloses it.
Horizon Glow reflects far more light (LRV 22 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 22, Tranquil Dawn is decisively the brighter choice.
A 9-point LRV gap (22 vs 13) makes Horizon Glow the marginally brighter of the two.
At LRV 44 vs 22, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 22), opening up a space where Horizon Glow encloses it.
With LRVs of 22 and 21, the two reflect almost the same amount of light.
At LRV 66 vs 22, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 22, Shoji White is decisively the brighter choice.
At LRV 83 vs 22, Snowbound is decisively the brighter choice.
Pigeon reflects far more light (LRV 51 vs 22), opening up a space where Horizon Glow encloses it.
A 10-point LRV gap (22 vs 12) makes Horizon Glow the marginally brighter of the two.
At LRV 22 vs 8, Horizon Glow is decisively the brighter choice.
At LRV 68 vs 22, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 22), opening up a space where Horizon Glow encloses it.
A 10-point LRV gap (22 vs 12) makes Horizon Glow the marginally brighter of the two.
At LRV 45 vs 22, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 22), a gap that shows most in low-lit rooms.
Horizon Glow reflects far more light (LRV 22 vs 7), opening up a space where Pine Needle encloses it.