Cement grey vs Dewy
Cement grey (RAL Classic) and Dewy (Sherwin-Williams) come from different manufacturers. Hue-wise, Cement grey belongs to the grey family and Dewy to the green family. The 49-point LRV gap — 73 for Dewy vs 24 for Cement grey — means Dewy will open up a space more effectively. A ΔE of 35.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cement grey vs Dewy in Real Spaces
2 real rooms side by side. Seeing Cement grey and Dewy in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Dewy returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Dewy returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Cement grey vs Dewy Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and Dewy 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.
