Cement grey vs Portabello
Where Cement grey belongs to RAL Classic's range, Portabello is a Sherwin-Williams color. Cement grey reads as grey, while Portabello reads as beige-greige — two distinct hue families, not close cousins. Cement grey (LRV 24) reflects noticeably more light than Portabello (LRV 21), a difference of 3 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 14.1, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Cement grey vs Portabello Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and Portabello 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.








































