RAL 180-1 vs Poseidon
Where RAL 180-1 belongs to RAL Effect's range, Poseidon is a Sherwin-Williams color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. RAL 180-1 (LRV 49) reflects noticeably more light than Poseidon (LRV 11), a difference of 37 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 44.4, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 180-1 vs Poseidon in Real Spaces
2 real rooms side by side. Seeing RAL 180-1 and Poseidon 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. RAL 180-1 reflects noticeably more light off the walls, making the space read more open than Poseidon.
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. RAL 180-1 reflects noticeably more light off the walls, making the space read more open than Poseidon.
Color Details
RAL 180-1 vs Poseidon Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 180-1 on one side and Poseidon 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 RAL 180-1 comparisons
See how RAL 180-1 stacks up against other well-photographed colors across different brands and tones.
