Coastal Plain vs Willow Tree
Both from Sherwin-Williams's palette. Hue-wise, Coastal Plain belongs to the green-grey family and Willow Tree to the grey family. Willow Tree (LRV 41) reflects noticeably more light than Coastal Plain (LRV 37), a difference of 4 points that becomes especially apparent in rooms with limited natural light. Both lean neutral, so they'll behave similarly in mixed or changing light conditions. The ΔE 3.4 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Coastal Plain vs Willow Tree in Real Spaces
1 real room side by side. Coastal Plain and Willow Tree 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 — Willow Tree gives the walls a little more lift.
Color Details
Coastal Plain vs Willow Tree Simulated Comparison
5 simulated room previews — drag the slider on each to see Coastal Plain on one side and Willow Tree 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.
