Reliable White vs Sea Mariner
Both from Sherwin-Williams's palette. Hue-wise, Reliable White belongs to the beige-white family and Sea Mariner to the blue-grey family. Reliable White (LRV 74) reflects noticeably more light than Sea Mariner (LRV 7), a difference of 67 points that becomes especially apparent in rooms with limited natural light. Reliable White runs warm while Sea Mariner is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 59.4, 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
Reliable White vs Sea Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Reliable White on one side and Sea Mariner 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 Reliable White comparisons
See how Reliable White stacks up against other well-photographed colors across different brands and tones.
Pure White reads slightly lighter (LRV 84 vs 74), a gap that shows most in low-lit rooms.
Their light reflectance is nearly identical (LRV 74 vs 74), so neither reads brighter in a room.