Teton Blue vs Castlegate
Teton Blue is a Behr color while Castlegate comes from Sherwin-Williams. Teton Blue reads as blue-grey, while Castlegate reads as grey — two distinct hue families, not close cousins. At LRV 37 vs 31, Castlegate will read as the brighter of the two — a 6-point gap that matters most in north-facing or low-light rooms. The tonal difference — Teton Blue's blue character against Castlegate's neutral — becomes most visible against white trim or in morning light. At ΔE 7.0, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Teton Blue vs Castlegate Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue on one side and Castlegate 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.
