Poseidon vs Positive Red
Both from Sherwin-Williams's palette. Hue-wise, Poseidon belongs to the blue family and Positive Red to the pink-red family. They have nearly identical light reflectance values (11 vs 11), so they'll read as similarly Dark in most lighting conditions. Poseidon runs cool while Positive Red is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 86.3, 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.
Poseidon vs Positive Red in Real Spaces
1 real room side by side. Seeing Poseidon and Positive Red in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Positive Red brings more warmth to the space, while Poseidon keeps things cooler and crisper.
Color Details
Poseidon vs Positive Red Simulated Comparison
5 simulated room previews — drag the slider on each to see Poseidon on one side and Positive Red 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 Poseidon comparisons
See how Poseidon stacks up against other well-photographed colors across different brands and tones.
