Teton Blue vs Portsmouth
Teton Blue (Behr) and Portsmouth (Sherwin-Williams) come from different manufacturers. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. The 9-point LRV gap — 31 for Teton Blue vs 22 for Portsmouth — means Teton Blue will open up a space more effectively. Where Teton Blue leans blue, Portsmouth reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 10.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Teton Blue vs Portsmouth in Real Spaces
1 real room side by side. Seeing Teton Blue and Portsmouth in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Teton Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Teton Blue vs Portsmouth Simulated Comparison
5 simulated room previews — drag the slider on each to see Teton Blue on one side and Portsmouth 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.
