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.
White Dove reflects far more light (LRV 83 vs 17), opening up a space where Library Pewter encloses it.
At LRV 69 vs 17, Ammonite is decisively the brighter choice.
Library Pewter reads slightly lighter (LRV 17 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 17, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 17, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 17), opening up a space where Library Pewter encloses it.
At LRV 60 vs 17, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 17), opening up a space where Library Pewter encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 17), a gap that shows most in low-lit rooms.
At LRV 43 vs 17, French Gray is decisively the brighter choice.
At LRV 17 vs 4, Library Pewter is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 17), opening up a space where Library Pewter encloses it.
Library Pewter reads slightly lighter (LRV 17 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 17), opening up a space where Library Pewter encloses it.
At LRV 84 vs 17, Pure White is decisively the brighter choice.
A 4-point LRV gap (21 vs 17) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 17), opening up a space where Library Pewter encloses it.
Shoji White reflects far more light (LRV 74 vs 17), opening up a space where Library Pewter encloses it.
Snowbound reflects far more light (LRV 83 vs 17), opening up a space where Library Pewter encloses it.
Library Pewter reads slightly lighter (LRV 17 vs 12), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 17), opening up a space where Library Pewter encloses it.
At LRV 41 vs 17, Dix Blue is decisively the brighter choice.
At LRV 68 vs 17, Calamine is decisively the brighter choice.
A 7-point LRV gap (25 vs 17) makes Treron the marginally brighter of the two.
Library Pewter reads slightly lighter (LRV 17 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 17), opening up a space where Library Pewter encloses it.
At LRV 31 vs 17, Pale Green is decisively the brighter choice.
A 10-point LRV gap (17 vs 7) makes Library Pewter the marginally brighter of the two.
A 7-point LRV gap (24 vs 17) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 17, Guilford Green is decisively the brighter choice.