Cement grey vs RAL 740-3
Cement grey is a RAL Classic color while RAL 740-3 comes from RAL Effect. Cement grey reads as grey, while RAL 740-3 reads as green — two distinct hue families, not close cousins. At LRV 45 vs 24, RAL 740-3 will read as the brighter of the two — a 21-point gap that matters most in north-facing or low-light rooms. At ΔE 26.4, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cement grey vs RAL 740-3 in Real Spaces
5 real rooms side by side. Seeing Cement grey and RAL 740-3 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. RAL 740-3 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that RAL 740-3 will make the room feel meaningfully brighter than Cement grey would.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that RAL 740-3 will make the room feel meaningfully brighter than Cement grey would.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that RAL 740-3 will make the room feel meaningfully brighter than Cement grey would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that RAL 740-3 will make the room feel meaningfully brighter than Cement grey would.
Color Details
Cement grey vs RAL 740-3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and RAL 740-3 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 Cement grey comparisons
See how Cement grey stacks up against other well-photographed colors across different brands and tones.


















































