Treron vs Sun yellow
Treron (Farrow & Ball) and Sun yellow (RAL Classic) come from different manufacturers. Hue-wise, Treron belongs to the greige-grey family and Sun yellow to the beige-yellow family. The 16-point LRV gap — 41 for Sun yellow vs 25 for Treron — means Sun yellow will open up a space more effectively. A ΔE of 71.7 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.
Treron vs Sun yellow in Real Spaces
1 real room side by side. Seeing Treron and Sun yellow in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Sun yellow reflects noticeably more light off the walls, making the space read more open than Treron.
Color Details
Treron vs Sun yellow Simulated Comparison
5 simulated room previews — drag the slider on each to see Treron on one side and Sun yellow 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.









































