Treron vs Pastel blue
Treron (Farrow & Ball) and Pastel blue (RAL Classic) come from different manufacturers. Hue-wise, Treron belongs to the greige-grey family and Pastel blue to the blue family. The 4-point LRV gap — 29 for Pastel blue vs 25 for Treron — means Pastel blue will open up a space more effectively. A ΔE of 29.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Treron vs Pastel blue in Real Spaces
2 real rooms side by side. Seeing Treron and Pastel blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Pastel blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Pastel blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Treron vs Pastel blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Treron on one side and Pastel blue 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.











































