Flint Smoke vs Online
Flint Smoke is a Behr color while Online comes from Sherwin-Williams. Flint Smoke reads as blue-grey, while Online reads as grey — two distinct hue families, not close cousins. At LRV 45 vs 43, Online will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. The tonal difference — Flint Smoke's blue character against Online's neutral — becomes most visible against white trim or in morning light. With a ΔE of 2.5, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Flint Smoke vs Online in Real Spaces
2 real rooms side by side. Flint Smoke and Online 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.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Home Office
In a home office, wall color sits in your peripheral vision for hours at a time, so temperature and undertone matter more than you might expect. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Flint Smoke vs Online Simulated Comparison
5 simulated room previews — drag the slider on each to see Flint Smoke on one side and Online 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 Flint Smoke comparisons
See how Flint Smoke stacks up against other well-photographed colors across different brands and tones.












































