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Blue Diamond 6

Dulux

The Analysis

Blue Diamond 6 is a mid-toned aqua that keeps a room feeling crisp and open without being stark. With an LRV of 54.11, it reflects a moderate amount of light, which helps smaller rooms feel airy and prevents them from closing in.

This colour works best as a main wall shade in spaces where you want personality without overwhelming the room. It is vibrant enough to act as a focal point, yet muted enough to function as a backdrop for white trim and neutral furniture.

LRV 54

History & Origin

This is a distinctly modern choice that leans into contemporary palettes. It lacks the heavy, moody undertones of period-appropriate blues, making it ideal for newer builds or updated renovations.

Undertonecool
FamilyGreen

How to Use It

It shines in bathrooms or kitchens, where it pairs excellently with polished chrome or cool-toned marble. For a warmer contrast, use light oak wood tones or matte black hardware to ground the brightness.

The Mood

Living with this shade is consistently restful and clean. It provides a calm, steady energy that feels refreshing in the morning but remains balanced and non-stimulating by the evening.

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.

  • Clearlake

    Benjamin Moore · 738

  • Sky Watch

    Behr · HDC-MD-14

  • Surf City

    Benjamin Moore · 731

  • Bay Mist

    Valspar · 5006-7C

  • Beach Sparkle

    Valspar · 5004-9C

  • Bora Bora Shore

    Sherwin-Williams · SW9045

Lighting

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

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