Jack Black vs Cement grey
Jack Black is a Little Greene color while Cement grey comes from RAL Classic. Jack Black reads as blue, while Cement grey reads as grey — two distinct hue families, not close cousins. At LRV 24 vs 0, Cement grey will read as the brighter of the two — a 24-point gap that matters most in north-facing or low-light rooms. At ΔE 51.1, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Jack Black vs Cement grey in Real Spaces
2 real rooms side by side. Seeing Jack Black and Cement grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Cement grey will make the room feel meaningfully brighter than Jack Black would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Cement grey will make the room feel meaningfully brighter than Jack Black would.
Color Details
Jack Black vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Jack Black on one side and Cement grey 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 Jack Black comparisons
See how Jack Black stacks up against other well-photographed colors across different brands and tones.
