Hippopotamus vs Unusual Gray
Where Hippopotamus belongs to PPG's range, Unusual Gray is a Sherwin-Williams color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. They have nearly identical light reflectance values (40 vs 38), so they'll read as similarly Medium in most lighting conditions. At ΔE 1.7, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Hippopotamus vs Unusual Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Hippopotamus on one side and Unusual 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 Hippopotamus comparisons
See how Hippopotamus stacks up against other well-photographed colors across different brands and tones.
