Smooth White vs Functional Gray
Where Smooth White belongs to Jotun's range, Functional Gray is a Sherwin-Williams color. Both sit in the greige-grey family, which is useful context if you're narrowing within a single hue direction. Smooth White (LRV 59) reflects noticeably more light than Functional Gray (LRV 37), a difference of 22 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 14.4, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Smooth White vs Functional Gray in Real Spaces
3 real rooms side by side. Seeing Smooth White and Functional Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Smooth White will make the room feel meaningfully brighter than Functional Gray would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Smooth White reflects noticeably more light off the walls, making the space read more open than Functional Gray.
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. Smooth White reflects noticeably more light off the walls, making the space read more open than Functional Gray.
Color Details
Smooth White vs Functional Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Smooth White on one side and Functional Gray 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 Smooth White comparisons
See how Smooth White stacks up against other well-photographed colors across different brands and tones.
