Greige vs RAL 840-3
Greige is a Behr color while RAL 840-3 comes from RAL Effect. Greige reads as grey, while RAL 840-3 reads as greige-grey — two distinct hue families, not close cousins. With LRVs of 46 and 46, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 2.2, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Greige vs RAL 840-3 in Real Spaces
1 real room side by side. Greige 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.
Color Details
Greige vs RAL 840-3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Greige 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 Greige comparisons
See how Greige stacks up against other well-photographed colors across different brands and tones.









































