Teton Blue vs Pewter Cast
Where Teton Blue belongs to Behr's range, Pewter Cast is a Sherwin-Williams color. Hue-wise, Teton Blue belongs to the blue-grey family and Pewter Cast to the grey family. They have nearly identical light reflectance values (31 vs 31), so they'll read as similarly Medium in most lighting conditions. Teton Blue runs blue while Pewter Cast is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 9.1 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Teton Blue vs Pewter Cast in Real Spaces
3 real rooms side by side. Teton Blue and Pewter Cast 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Pewter Cast brings more warmth to the space, while Teton Blue keeps things cooler and crisper.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Pewter Cast brings more warmth to the space, while Teton Blue keeps things cooler and crisper.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Pewter Cast brings more warmth to the space, while Teton Blue keeps things cooler and crisper.
Color Details
Teton Blue vs Pewter Cast Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue on one side and Pewter Cast 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.














































