Treron vs RAL 580-1
Where Treron belongs to Farrow & Ball's range, RAL 580-1 is a RAL Effect color. Hue-wise, Treron belongs to the greige-grey family and RAL 580-1 to the blue family. RAL 580-1 (LRV 61) reflects noticeably more light than Treron (LRV 25), a difference of 37 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 34.8, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Treron vs RAL 580-1 in Real Spaces
3 real rooms side by side. Seeing Treron and RAL 580-1 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. RAL 580-1 reflects noticeably more light off the walls, making the space read more open than Treron.
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. RAL 580-1 reflects noticeably more light off the walls, making the space read more open than Treron.
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. RAL 580-1 reflects noticeably more light off the walls, making the space read more open than Treron.
Color Details
Treron vs RAL 580-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see Treron on one side and RAL 580-1 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.













































