Teton Blue vs RAL 660-M
Where Teton Blue belongs to Behr's range, RAL 660-M is a RAL Effect color. Teton Blue reads as blue-grey, while RAL 660-M reads as blue — two distinct hue families, not close cousins. Teton Blue (LRV 31) reflects noticeably more light than RAL 660-M (LRV 24), a difference of 7 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 17.3, 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 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Teton Blue vs RAL 660-M in Real Spaces
4 real rooms side by side. Seeing Teton Blue and RAL 660-M in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Teton Blue gives the walls a little more lift.
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 reads slightly lighter here — a subtle but real difference in how open the space feels.
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. Teton Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
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 reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Teton Blue vs RAL 660-M Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue on one side and RAL 660-M 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.
