Coastal Plain
Sherwin-Williams · SW6192
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The Analysis
Coastal Plain is a muted, earthy green that adds weight to a room without feeling dark. With an LRV of 36.78, it absorbs more light than it reflects, which makes larger spaces feel intimate and cozy rather than bright and expansive.
This color functions best as a sophisticated backdrop or a grounding main wall color. It is subtle enough to let furniture and art stand out, rather than competing for attention.
LRV 37History & Origin
This is a versatile, modern neutral that fits well in contemporary design. It avoids the dated feel of old-fashioned olive greens by leaning into a cleaner, grey-toned base.
How to Use It
It excels in bedrooms or home offices where you want a quiet atmosphere. Pair it with medium-to-dark walnut wood tones and matte black hardware to highlight its natural, earthy undertones.
The Mood
Living with this shade is consistently restful and grounding. Because it mimics natural foliage, it creates a stable, calm environment that doesn't feel overly stimulating or demanding.
Colour harmonies
Complementary
Opposite on the colour wheel — bold, high-contrast pairings. Use for a feature wall or furniture you want to command attention.
Analogous
Neighbouring hues — cohesive and calm, great for layered schemes that feel collected rather than matched.
Split complementary
Near-opposites for strong contrast with a little less tension than a pure complement. A favourite of interior designers.
Triadic
Three evenly spaced hues — balanced, vibrant, and versatile. Keep one dominant and use the others sparingly.
Tetradic (square)
Four hues in a square on the wheel — rich, dynamic palettes. Best when one colour leads and the others accent.
Monochromatic
Dark, mid, and light steps on the same hue — a failsafe gradient for trim, walls, and accents without shifting colour family.
Add harmony palette to a room
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Brand Matches
Perceptually similar colours from across all brands in our database.
Lighting
See how this colour shifts across natural and artificial light conditions.
- Natural