Cobble Brown vs Mount Etna
Both from Sherwin-Williams's palette. Hue-wise, Cobble Brown belongs to the beige-greige family and Mount Etna to the blue-grey family. Cobble Brown (LRV 14) reflects noticeably more light than Mount Etna (LRV 6), a difference of 8 points that becomes especially apparent in rooms with limited natural light. Cobble Brown runs warm while Mount Etna is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 23.4, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cobble Brown vs Mount Etna in Real Spaces
3 real rooms side by side. Seeing Cobble Brown and Mount Etna 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 brightness difference is modest but present — Cobble Brown gives the walls a little more lift.
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. Cobble Brown has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Cobble Brown reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Cobble Brown vs Mount Etna Simulated Comparison
5 simulated room previews — drag the slider on each to see Cobble Brown on one side and Mount Etna 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.