Swatchd
Sign inGet started
CoastalSouth-Facing

Blue Diamond 5

Dulux

The Analysis

Blue Diamond 5 is a mid-toned teal that provides a balanced, saturated look without darkening a room too aggressively. With an LRV of 38.39, it reflects a moderate amount of light, meaning it adds personality to a space without making it feel cramped or cave-like.

Because of its depth, it acts best as a focal point or a feature wall rather than an entire room wrap. It serves as an excellent backdrop for art or light-colored shelving, preventing the walls from feeling like a static, blank canvas.

LRV 38

History & Origin

This is a contemporary choice that fits best in modern, updated homes. It lacks the muted, chalky undertones common in Victorian or traditional palettes, making it feel fresh and relevant for current design trends.

Undertonecool
FamilyTeal

How to Use It

It works best in bathrooms or home offices, where it pairs well with crisp white trim and matte black fixtures. To warm up the teal, incorporate light oak or walnut wood tones to create a natural, high-contrast look.

The Mood

This shade leans into a calm, focused atmosphere rather than an energizing one. It feels grounded and stable, making it a reliable choice for areas where you want to avoid visual clutter or overstimulation.

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.

  • Adonis

    Behr · MQ4-51

  • Tropical Tide

    Behr · 520D-5

  • Harbor Side Blue

    Benjamin Moore · 740

  • Surfer

    Behr · 510D-5

  • Peacock Blue

    Benjamin Moore · 2049-40

  • Swim

    Valspar · 5006-8A

Lighting

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

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