Poseidon vs Midsummer Night
Where Poseidon belongs to Sherwin-Williams's range, Midsummer Night is a Valspar color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. Poseidon (LRV 11) reflects noticeably more light than Midsummer Night (LRV 5), a difference of 6 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 20.5, 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 Midsummer Night in Real Spaces
1 real room side by side. Seeing Poseidon and Midsummer Night in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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. Poseidon reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Poseidon vs Midsummer Night Simulated Comparison
5 simulated room previews — drag the slider on each to see Poseidon on one side and Midsummer Night 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.
