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HeritageLow-Light

River Rock

Benjamin Moore · 2139-10

The Analysis

River Rock is a very dark, earthy olive-brown that absorbs significant light due to its low Light Reflectance Value (LRV) of 5.44. It will make a room feel smaller and more intimate by blurring the boundaries of the walls, creating a cocoon-like effect.

Because it is so dark, this is best used as a bold accent or for 'color drenching' where you paint walls, trim, and doors the same shade. It acts as a sophisticated backdrop for artwork or high-contrast furniture rather than a traditional wall color.

LRV 5

History & Origin

This color aligns with a heritage or library aesthetic, drawing inspiration from traditional study rooms and classic, heavy-textile interior design. It feels rooted in history rather than modern, minimalist trends.

Undertonewarm-green
FamilyBeige

How to Use It

Use this in smaller rooms like studies or powder rooms where you want to lean into the darkness. Pair it with warm wood tones like walnut, unlacquered brass hardware, or matte black fixtures to enhance its organic, earthy quality.

The Mood

Living with this color feels grounded and restful rather than energizing. It provides a serious, stable atmosphere that is perfect for spaces where you want to disconnect and settle in.

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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  • 5500K