Comfort Grey vs RAL 840-3
Where Comfort Grey belongs to Jotun's range, RAL 840-3 is a RAL Effect color. These are both greige-greys, so the question isn't which hue to choose — it's where within greige-grey to land. Comfort Grey (LRV 49) reflects noticeably more light than RAL 840-3 (LRV 46), a difference of 3 points that becomes especially apparent in rooms with limited natural light. At ΔE 2.3, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Comfort Grey vs RAL 840-3 in Real Spaces
3 real rooms side by side. Comfort Grey and RAL 840-3 are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Comfort Grey gives the walls a little more lift.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Comfort Grey reads slightly lighter here — a subtle but real difference in how open the space feels.
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. Comfort Grey reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Comfort Grey vs RAL 840-3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Comfort Grey on one side and RAL 840-3 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 Comfort Grey comparisons
See how Comfort Grey stacks up against other well-photographed colors across different brands and tones.
