Mega Greige vs Mount Etna
Both are Sherwin-Williams colors. Hue-wise, Mega Greige belongs to the greige-grey family and Mount Etna to the blue-grey family. At LRV 37 vs 6, Mega Greige will read as the brighter of the two — a 31-point gap that matters most in north-facing or low-light rooms. The tonal difference — Mega Greige's warm character against Mount Etna's cool — becomes most visible against white trim or in morning light. At ΔE 39.6, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mega Greige vs Mount Etna in Real Spaces
3 real rooms side by side. Seeing Mega Greige 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Mega Greige returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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 LRV gap is large enough that Mega Greige will make the room feel meaningfully brighter than Mount Etna would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Mega Greige will make the room feel meaningfully brighter than Mount Etna would.
Color Details
Mega Greige vs Mount Etna Simulated Comparison
5 simulated room previews — drag the slider on each to see Mega Greige 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.