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CoastalSouth-Facing

Sea Of Tranquility

Behr · P470-3

The Analysis

Sea Of Tranquility is a crisp, mid-tone blue with a significant green undertone. With an LRV of 55.33, it reflects a moderate amount of light, which helps brighten a space without feeling clinical or overly neon.

It works best as a primary wall color in smaller rooms where you want a fresh feel. It is also strong enough to serve as a standout focal point, such as on a bathroom vanity or a built-in bookshelf.

LRV 55

History & Origin

This is a distinctly modern color choice that leans toward contemporary design. It avoids the heavy, traditional palettes of historical interiors, instead offering a fresh, current aesthetic.

Undertonecool
FamilyTeal

How to Use It

Pair this color with warm wood tones like oak or walnut to balance the blue's coolness. Use matte black hardware for a sharp, modern contrast, or polished brass to lean into a more elevated, high-end look.

The Mood

This shade promotes a restful environment because it mimics natural water and sky tones. It feels clean and organized, making it an excellent choice for areas where you want to reduce 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.

  • Cloudless

    Behr · 510B-4

  • Baby Boy Blue

    Benjamin Moore · 2056-50

  • Beach Sparkle

    Valspar · 5004-9C

  • Sky Watch

    Behr · HDC-MD-14

  • Rhythm and Blues

    Benjamin Moore · 758

  • Blue Diamond 6

    Dulux

Lighting

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

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