Treron vs Cumberland Fog
Where Treron belongs to Farrow & Ball's range, Cumberland Fog is a PPG color. Hue-wise, Treron belongs to the greige-grey family and Cumberland Fog to the blue-grey family. Cumberland Fog (LRV 71) reflects noticeably more light than Treron (LRV 25), a difference of 46 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 33.0, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Treron vs Cumberland Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Treron on one side and Cumberland Fog 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.







































