Granite Boulder vs Treron
Where Granite Boulder belongs to Behr's range, Treron is a Farrow & Ball color. These are both greige-greys, so the question isn't which hue to choose — it's where within greige-grey to land. Granite Boulder (LRV 42) reflects noticeably more light than Treron (LRV 25), a difference of 17 points that becomes especially apparent in rooms with limited natural light. Granite Boulder runs yellow while Treron is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 14.6, 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.
Granite Boulder vs Treron in Real Spaces
2 real rooms side by side. Seeing Granite Boulder and Treron 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 LRV gap is large enough that Granite Boulder will make the room feel meaningfully brighter than Treron would.
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. Granite Boulder reflects noticeably more light off the walls, making the space read more open than Treron.
Color Details
Granite Boulder vs Treron Simulated Comparison
5 simulated room previews — drag the slider on each to see Granite Boulder on one side and Treron 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 Granite Boulder comparisons
See how Granite Boulder stacks up against other well-photographed colors across different brands and tones.
