Knoxville Gray vs St. Pauls Blue
Knoxville Gray is a Benjamin Moore color while St. Pauls Blue comes from Jotun. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 16 and 17, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Knoxville Gray's blue character against St. Pauls Blue's neutral — becomes most visible against white trim or in morning light. At ΔE 4.2, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Knoxville Gray vs St. Pauls Blue in Real Spaces
3 real rooms side by side. Knoxville Gray and St. Pauls Blue 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.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
Knoxville Gray vs St. Pauls Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Knoxville Gray on one side and St. Pauls Blue 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 Knoxville Gray comparisons
See how Knoxville Gray stacks up against other well-photographed colors across different brands and tones.














































