Teton Blue vs Castle Peak Gray
Where Teton Blue belongs to Behr's range, Castle Peak Gray is a Benjamin Moore color. Teton Blue reads as blue-grey, while Castle Peak Gray reads as greige-grey — two distinct hue families, not close cousins. Teton Blue (LRV 31) reflects noticeably more light than Castle Peak Gray (LRV 15), a difference of 16 points that becomes especially apparent in rooms with limited natural light. Teton Blue runs blue while Castle Peak Gray is decidedly yellow, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 24.3, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. 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 Castle Peak Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue on one side and Castle Peak Gray 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.
