Coastal Plain vs Cool Pine
Where Coastal Plain belongs to Sherwin-Williams's range, Cool Pine is a Valspar color. Hue-wise, Coastal Plain belongs to the green-grey family and Cool Pine to the greige-grey family. Cool Pine (LRV 40) reflects noticeably more light than Coastal Plain (LRV 37), a difference of 3 points that becomes especially apparent in rooms with limited natural light. The ΔE 3.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Coastal Plain vs Cool Pine in Real Spaces
2 real rooms side by side. Coastal Plain and Cool Pine are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Cool Pine gives the walls a little more lift.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Cool Pine reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Coastal Plain vs Cool Pine Simulated Comparison
5 simulated room previews — drag the slider on each to see Coastal Plain on one side and Cool Pine 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 Coastal Plain comparisons
See how Coastal Plain stacks up against other well-photographed colors across different brands and tones.
