Treron vs Umbra grey
Where Treron belongs to Farrow & Ball's range, Umbra grey is a RAL Classic color. Treron reads as greige-grey, while Umbra grey reads as grey — two distinct hue families, not close cousins. Treron (LRV 25) reflects noticeably more light than Umbra grey (LRV 10), a difference of 15 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 26.5, 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 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Treron vs Umbra grey in Real Spaces
5 real rooms side by side. Seeing Treron and Umbra grey 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 Treron will make the room feel meaningfully brighter than Umbra grey would.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Treron reflects noticeably more light off the walls, making the space read more open than Umbra 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. Treron reflects noticeably more light off the walls, making the space read more open than Umbra grey.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Treron will make the room feel meaningfully brighter than Umbra grey would.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Treron reflects noticeably more light off the walls, making the space read more open than Umbra grey.
Color Details
Treron vs Umbra grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Treron on one side and Umbra 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 Treron comparisons
See how Treron stacks up against other well-photographed colors across different brands and tones.
