IndustrialSouth-Facing

Poseidon's Castle

Valspar · V066-5

The Analysis

Poseidon's Castle is a deep, saturated teal with an LRV of 15.1, meaning it absorbs a significant amount of light. Because it reflects very little, it will make a room feel smaller and more enclosed, which is excellent for creating a cozy, intentional atmosphere rather than an airy one.

Due to its high pigment density, this works best as a bold accent wall or for high-impact spaces like a home office or powder room. If used on all four walls, ensure the room has high ceilings or excellent artificial lighting to prevent the space from feeling like a cave.

LRV 15

History & Origin

This is a modern interpretation of dark, moody jewel tones often found in Victorian libraries or dens. While it leans classic, the clean, synthetic nature of the pigment keeps it feeling current rather than dated or antique.

Undertonecool
FamilyGreen

How to Use It

Pair this with warm walnut wood tones to provide contrast, or use matte black hardware for a sleek, contemporary look. It performs best in rooms with controlled lighting where you can use lamps to create depth and shadows against the walls.

The Mood

Living with this shade feels grounded and stable. It is a restful, cooling color that avoids the over-stimulation of brighter pigments, making it a great choice for spaces where you want to signal to your brain that it is time to 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.

  • Largo Teal

    Benjamin Moore · 742

  • Fish Story

    Valspar · 5006-8C

  • Intercoastal Green

    Benjamin Moore · 672

  • Teal Ocean

    Benjamin Moore · 2049-30

  • Maxi Teal

    Sherwin-Williams · SW6769

  • Tropical Waters

    Behr · S-G-500

Lighting

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

  • Natural