Treron vs RAL 220-4
Treron (Farrow & Ball) and RAL 220-4 (RAL Effect) come from different manufacturers. Treron reads as greige-grey, while RAL 220-4 reads as green — two distinct hue families, not close cousins. The 14-point LRV gap — 25 for Treron vs 10 for RAL 220-4 — means Treron will open up a space more effectively. A ΔE of 41.2 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 RAL 220-4 in Real Spaces
1 real room side by side. Seeing Treron and RAL 220-4 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Treron returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Treron vs RAL 220-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Treron on one side and RAL 220-4 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.









































