Portsmouth vs Slumber Sloth
Both from Sherwin-Williams's palette. Portsmouth reads as blue-grey, while Slumber Sloth reads as beige-greige — two distinct hue families, not close cousins. Slumber Sloth (LRV 56) reflects noticeably more light than Portsmouth (LRV 22), a difference of 34 points that becomes especially apparent in rooms with limited natural light. Portsmouth runs neutral while Slumber Sloth is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 28.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Portsmouth vs Slumber Sloth Simulated Comparison
5 simulated room previews — drag the slider on each to see Portsmouth on one side and Slumber Sloth 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 Portsmouth comparisons
See how Portsmouth stacks up against other well-photographed colors across different brands and tones.
