Lamp Black vs Cool Slate
Lamp Black (Little Greene) and Cool Slate (PPG) come from different manufacturers. Lamp Black reads as grey, while Cool Slate reads as greige-grey — two distinct hue families, not close cousins. The 59-point LRV gap — 62 for Cool Slate vs 3 for Lamp Black — means Cool Slate will open up a space more effectively. A ΔE of 63.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Lamp Black vs Cool Slate Simulated Comparison
5 simulated room previews — drag the slider on each to see Lamp Black on one side and Cool Slate 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 Lamp Black comparisons
See how Lamp Black stacks up against other well-photographed colors across different brands and tones.








































