RAL 840-3 vs Cool Beige
RAL 840-3 (RAL Effect) and Cool Beige (Sherwin-Williams) come from different manufacturers. RAL 840-3 reads as greige-grey, while Cool Beige reads as beige-greige — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 46 vs 48 — so neither will read significantly brighter or darker than the other. ΔE 5.4 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 840-3 vs Cool Beige in Real Spaces
1 real room side by side. RAL 840-3 and Cool Beige 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
RAL 840-3 vs Cool Beige Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 840-3 on one side and Cool Beige 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 RAL 840-3 comparisons
See how RAL 840-3 stacks up against other well-photographed colors across different brands and tones.










































