Teton Blue vs RAL 290-4
Where Teton Blue belongs to Behr's range, RAL 290-4 is a RAL Effect color. Teton Blue reads as blue-grey, while RAL 290-4 reads as beige — two distinct hue families, not close cousins. They have nearly identical light reflectance values (31 vs 31), so they'll read as similarly Medium in most lighting conditions. With a ΔE of 71.6, 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 RAL 290-4 in Real Spaces
2 real rooms side by side. Seeing Teton Blue and RAL 290-4 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. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
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. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Teton Blue vs RAL 290-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue on one side and RAL 290-4 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.
