CoastalSouth-Facing

Vast Lake

Dulux

The Analysis

Vast Lake is a mid-toned slate blue that absorbs a significant amount of light due to its 30.52 LRV. While it adds depth and character, it will make a small, windowless room feel more enclosed and intimate rather than open and airy.

This colour works best as a primary wall choice in rooms intended for relaxation, or as a sophisticated backdrop for cabinetry. It is strong enough to stand on its own without needing a bold accent to provide interest.

LRV 31

History & Origin

This is a modern, transitional shade that avoids the stuffiness of period-specific palettes. It fits perfectly into contemporary homes that prioritize clean lines and a composed, deliberate atmosphere.

Undertonecool
FamilyBlue

How to Use It

Use this in bedrooms or home offices paired with warm oak or walnut wood tones to soften the blue. For hardware, matte black provides a sharp, modern contrast, while unlacquered brass adds a classic, warm metallic pop.

The Mood

Living with this shade is inherently restful and grounding. It feels stable and calm, making it an excellent choice for areas where you want to dial back visual clutter and unwind.

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.

  • Cats and Dogs

    Valspar · 1-877

  • Breath-Taking View 0632

    Colourtrend

  • Lake Okoboji

    Valspar · V108-4

  • Labrador Blue

    Benjamin Moore · CC-740

  • Pebble Drift 2

    Dulux

  • Bleached Denim

    Behr · 560F-5

Lighting

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

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