Library Pewter vs Mount Etna
Library Pewter and Mount Etna come from the same Sherwin-Williams collection. Hue-wise, Library Pewter belongs to the greige-grey family and Mount Etna to the blue-grey family. The 11-point LRV gap — 17 for Library Pewter vs 6 for Mount Etna — means Library Pewter will open up a space more effectively. Where Library Pewter leans warm, Mount Etna reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 24.4 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Library Pewter vs Mount Etna in Real Spaces
1 real room side by side. Seeing Library Pewter 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Library Pewter reflects noticeably more light off the walls, making the space read more open than Mount Etna.
Color Details
Library Pewter vs Mount Etna Simulated Comparison
5 simulated room previews — drag the slider on each to see Library Pewter 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 Library Pewter comparisons
See how Library Pewter stacks up against other well-photographed colors across different brands and tones.
