Teton Blue vs Slate grey
Where Teton Blue belongs to Behr's range, Slate grey is a RAL Classic color. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. Teton Blue (LRV 31) reflects noticeably more light than Slate grey (LRV 12), a difference of 19 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 27.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Teton Blue vs Slate grey in Real Spaces
2 real rooms side by side. Seeing Teton Blue and Slate grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Teton Blue reflects noticeably more light off the walls, making the space read more open than Slate grey.
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. Teton Blue reflects noticeably more light off the walls, making the space read more open than Slate grey.
Color Details
Teton Blue vs Slate grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue on one side and Slate 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.
