Perennial Grey vs Mercurial
Perennial Grey is a Little Greene color while Mercurial comes from PPG. These are both greige-greys, so the question isn't which hue to choose — it's where within greige-grey to land. At LRV 44 vs 38, Mercurial will read as the brighter of the two — a 6-point gap that matters most in north-facing or low-light rooms. At ΔE 4.6, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Perennial Grey vs Mercurial in Real Spaces
1 real room side by side. Perennial Grey and Mercurial 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The brightness difference is modest but present — Mercurial gives the walls a little more lift.
Color Details
Perennial Grey vs Mercurial Simulated Comparison
5 simulated room previews — drag the slider on each to see Perennial Grey on one side and Mercurial 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 Perennial Grey comparisons
See how Perennial Grey stacks up against other well-photographed colors across different brands and tones.









































