Teton Blue vs Window grey
Teton Blue is a Behr color while Window grey comes from RAL Classic. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. At LRV 36 vs 31, Window grey will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. At ΔE 4.1, 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.
Teton Blue vs Window grey in Real Spaces
1 real room side by side. Teton Blue and Window grey 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. Window grey has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Teton Blue vs Window grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue on one side and Window grey 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.










































