Library Pewter vs Warm Stone
Both are Sherwin-Williams colors. These are both greige-greys, so the question isn't which hue to choose — it's where within greige-grey to land. At LRV 20 vs 17, Warm Stone will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. They share a warm quality — useful to know if you're layering them in the same space. At ΔE 3.6, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Library Pewter vs Warm Stone in Real Spaces
1 real room side by side. Library Pewter and Warm Stone 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
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. Warm Stone has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Library Pewter vs Warm Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Library Pewter on one side and Warm Stone 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.