Jack Black vs Jet black
Where Jack Black belongs to Little Greene's range, Jet black is a RAL Classic color. Hue-wise, Jack Black belongs to the blue family and Jet black to the blue-grey family. Jet black (LRV 4) reflects noticeably more light than Jack Black (LRV 0), a difference of 4 points that becomes especially apparent in rooms with limited natural light. The ΔE 3.0 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Jack Black vs Jet black in Real Spaces
2 real rooms side by side. Jack Black and Jet black are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Jet black reads slightly lighter here — a subtle but real difference in how open the space feels.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Jet black reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Jack Black vs Jet black Simulated Comparison
5 simulated room previews — drag the slider on each to see Jack Black on one side and Jet black 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.












































