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Deep Secret®

Benjamin Moore · CSP-625

The Analysis

Deep Secret is a dark, cool-toned charcoal that absorbs light rather than reflecting it, effectively shrinking the visual boundaries of a room. Because of its low Light Reflectance Value (LRV) of 9.95, it will make a space feel enclosed and intimate rather than bright or airy.

This is a bold choice for a main wall or a full-room color drench. It works best as an accent wall to add depth or as a complete wrap in rooms where you want a dramatic, moody aesthetic.

LRV 10

History & Origin

Deep Secret leans into a modern, sophisticated aesthetic. While it shares the dark intensity of traditional heritage libraries, its clean, neutral-grey base gives it a sharp, contemporary edge.

Undertoneneutral
FamilyNeutral

How to Use It

Use this in bedrooms or media rooms to control glare and create a cocoon-like environment. Pair it with warm wood tones like walnut to soften the charcoal, or use matte black hardware to keep the look sleek and monochromatic.

The Mood

Living with this colour creates a grounded, restful atmosphere, making it ideal for spaces where you want to signal to your brain that it is time to wind down. It feels serious and stable, providing a quiet backdrop that minimizes visual clutter.

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.

Brand Matches

Perceptually similar colours from across all brands in our database.

  • DECO BLUE

    Jotun · 4477

  • Winters Sky

    Dulux

  • Printworks®

    Crown Paints

  • Temptation

    Benjamin Moore · 1609

  • Submarine Gray

    Behr · N470-7

  • Midnight Blue

    Behr · N480-7

Lighting

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

  • Natural
  • Morning
  • Afternoon
  • Evening
  • Overcast
  • 2700K
  • 3500K
  • 4000K
  • 5500K