Cement grey vs Obi Lilac
Cement grey (RAL Classic) and Obi Lilac (Sherwin-Williams) come from different manufacturers. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. The 15-point LRV gap — 39 for Obi Lilac vs 24 for Cement grey — means Obi Lilac will open up a space more effectively. A ΔE of 24.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Cement grey vs Obi Lilac in Real Spaces
1 real room side by side. Seeing Cement grey and Obi Lilac in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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. Obi Lilac 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 Obi Lilac Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and Obi Lilac 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.










































