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HeritageSouth-Facing

Portsmouth Olive

Behr · HDC-CL-20

The Analysis

Portsmouth Olive is a deep, saturated green with significant brown undertones. Because its Light Reflectance Value (LRV) is only 14.06, it absorbs a large portion of light rather than reflecting it, which makes a room feel more intimate and cozy rather than spacious or bright.

This shade works best as an anchor, whether as a moody main wall color in a study or as a high-impact accent on cabinetry. It is too dark to serve as a neutral backdrop for a whole-house palette, as it will significantly shrink the visual footprint of an open space.

LRV 14

History & Origin

It leans heavily into a Heritage aesthetic, reminiscent of the dark, organic pigments used in traditional British libraries or Arts and Crafts interiors. It pairs perfectly with architectural details like crown molding or built-in shelving.

Undertonewarm-green
FamilyGreen-Yellow

How to Use It

Use this in smaller, secondary spaces like powder rooms, libraries, or dens. Pair it with warm, natural wood tones and unlacquered brass hardware to play up its richness, or use matte black finishes for a sharper, modern edge.

The Mood

This color provides a grounding, restful atmosphere that feels stable and established. It is less about high-energy stimulation and more about creating a calm, restorative environment for relaxing.

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.

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Lighting

See how this colour shifts across natural and artificial light conditions.

  • Natural
  • Morning
  • Afternoon
  • Evening
  • Overcast
  • 2700K
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