Cement grey vs Byte Blue
Where Cement grey belongs to RAL Classic's range, Byte Blue is a Sherwin-Williams color. Cement grey reads as grey, while Byte Blue reads as blue — two distinct hue families, not close cousins. Byte Blue (LRV 68) reflects noticeably more light than Cement grey (LRV 24), a difference of 44 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 34.7, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cement grey vs Byte Blue in Real Spaces
2 real rooms side by side. Seeing Cement grey and Byte Blue 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 Byte Blue will make the room feel meaningfully brighter than Cement grey would.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Byte Blue will make the room feel meaningfully brighter than Cement grey would.
Color Details
Cement grey vs Byte Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and Byte Blue 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.












































