Teton Blue vs Mount Etna
Where Teton Blue belongs to Behr's range, Mount Etna is a Sherwin-Williams color. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. Teton Blue (LRV 31) reflects noticeably more light than Mount Etna (LRV 6), a difference of 25 points that becomes especially apparent in rooms with limited natural light. Teton Blue runs blue while Mount Etna is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 32.8, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Teton Blue vs Mount Etna in Real Spaces
2 real rooms side by side. Seeing Teton Blue 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 LRV gap is large enough that Teton Blue will make the room feel meaningfully brighter than Mount Etna would.
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. Teton Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Teton Blue vs Mount Etna Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue 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.
More Teton Blue comparisons
See how Teton Blue stacks up against other well-photographed colors across different brands and tones.












































