Functional Gray vs Mercurial
Both from Sherwin-Williams's palette. These are both greige-greys, so the question isn't which hue to choose — it's where within greige-grey to land. Mercurial (LRV 61) reflects noticeably more light than Functional Gray (LRV 37), a difference of 24 points that becomes especially apparent in rooms with limited natural light. Both lean warm, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 15.0, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Functional Gray vs Mercurial in Real Spaces
1 real room side by side. Seeing Functional Gray and Mercurial in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Mercurial reflects noticeably more light off the walls, making the space read more open than Functional Gray.
Color Details
Functional Gray vs Mercurial Simulated Comparison
5 simulated room previews — drag the slider on each to see Functional Gray 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 Functional Gray comparisons
See how Functional Gray stacks up against other well-photographed colors across different brands and tones.
