Online vs Uncertain Gray
Online and Uncertain Gray come from the same Sherwin-Williams collection. These are both greys, so the question isn't which hue to choose — it's where within grey to land. The 3-point LRV gap — 45 for Online vs 43 for Uncertain Gray — means Online will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 2.2 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Online vs Uncertain Gray in Real Spaces
2 real rooms side by side. Online and Uncertain 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.
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. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
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. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Color Details
Online vs Uncertain Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Online on one side and Uncertain 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 Online comparisons
See how Online stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 45), opening up a space where Online encloses it.
A 6-point LRV gap (52 vs 45) makes Purbeck Stone the marginally brighter of the two.
At LRV 45 vs 30, Online is decisively the brighter choice.
At LRV 60 vs 45, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 45), opening up a space where Online encloses it.
Online reflects far more light (LRV 45 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 45 vs 43), so neither reads brighter in a room.
Tranquil Dawn reads slightly lighter (LRV 55 vs 45), a gap that shows most in low-lit rooms.
With LRVs of 45 and 44, the two reflect almost the same amount of light.
At LRV 84 vs 45, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 45), opening up a space where Online encloses it.
Shoji White reflects far more light (LRV 74 vs 45), opening up a space where Online encloses it.
Online reflects far more light (LRV 45 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 45), opening up a space where Online encloses it.
Online reflects far more light (LRV 45 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 45 and 45, the two reflect almost the same amount of light.
At LRV 45 vs 31, Online is decisively the brighter choice.
At LRV 45 vs 7, Online is decisively the brighter choice.
At LRV 45 vs 24, Online is decisively the brighter choice.
A 12-point LRV gap (57 vs 45) makes Guilford Green the marginally brighter of the two.