Cement grey vs On The Rocks
Where Cement grey belongs to RAL Classic's range, On The Rocks is a Sherwin-Williams color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. On The Rocks (LRV 62) reflects noticeably more light than Cement grey (LRV 24), a difference of 37 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 29.5, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Cement grey vs On The Rocks in Real Spaces
1 real room side by side. Seeing Cement grey and On The Rocks 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that On The Rocks will make the room feel meaningfully brighter than Cement grey would.
Color Details
Cement grey vs On The Rocks Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and On The Rocks 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.
