Mount Etna vs Rock Bottom
Both from Sherwin-Williams's palette. Mount Etna reads as blue-grey, while Rock Bottom reads as grey — two distinct hue families, not close cousins. They have nearly identical light reflectance values (6 vs 7), so they'll read as similarly Dark in most lighting conditions. Mount Etna runs cool while Rock Bottom is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 5.6 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mount Etna vs Rock Bottom in Real Spaces
3 real rooms side by side. Mount Etna and Rock Bottom 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.
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 temperature contrast between Rock Bottom and Mount Etna is what sets these apart most in this context.
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. Rock Bottom brings more warmth to the space, while Mount Etna keeps things cooler and crisper.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Rock Bottom brings more warmth to the space, while Mount Etna keeps things cooler and crisper.
Color Details
Mount Etna vs Rock Bottom Simulated Comparison
5 simulated room previews — drag the slider on each to see Mount Etna on one side and Rock Bottom 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 Mount Etna comparisons
See how Mount Etna stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 6, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 6), opening up a space where Mount Etna encloses it.
Their light reflectance is nearly identical (LRV 6 vs 6), so neither reads brighter in a room.
Purbeck Stone reflects far more light (LRV 52 vs 6), opening up a space where Mount Etna encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 6), opening up a space where Mount Etna encloses it.
At LRV 52 vs 6, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 6), opening up a space where Mount Etna encloses it.
At LRV 58 vs 6, Accessible Beige is decisively the brighter choice.
At LRV 27 vs 6, Denim Drift is decisively the brighter choice.
French Gray reflects far more light (LRV 43 vs 6), opening up a space where Mount Etna encloses it.
With LRVs of 6 and 4, the two reflect almost the same amount of light.
At LRV 55 vs 6, Tranquil Dawn is decisively the brighter choice.
A 7-point LRV gap (13 vs 6) makes Bancha the marginally brighter of the two.
At LRV 44 vs 6, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 6), opening up a space where Mount Etna encloses it.
Artichoke reflects far more light (LRV 21 vs 6), opening up a space where Mount Etna encloses it.
At LRV 66 vs 6, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 6, Shoji White is decisively the brighter choice.
At LRV 83 vs 6, Snowbound is decisively the brighter choice.
A 6-point LRV gap (12 vs 6) makes Pewter Green the marginally brighter of the two.
At LRV 68 vs 6, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 6), opening up a space where Mount Etna encloses it.
Calamine reflects far more light (LRV 68 vs 6), opening up a space where Mount Etna encloses it.
Treron reflects far more light (LRV 25 vs 6), opening up a space where Mount Etna encloses it.
A 6-point LRV gap (12 vs 6) makes Vintage Vogue the marginally brighter of the two.
At LRV 45 vs 6, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 6), opening up a space where Mount Etna encloses it.
With LRVs of 7 and 6, the two reflect almost the same amount of light.
Cement grey reflects far more light (LRV 24 vs 6), opening up a space where Mount Etna encloses it.
Guilford Green reflects far more light (LRV 57 vs 6), opening up a space where Mount Etna encloses it.