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IndustrialSouth-Facing

Thunder Clouds

Dulux

The Analysis

Thunder Clouds is a deep, mid-to-dark charcoal gray with a low Light Reflectance Value (LRV) of 14.25, meaning it absorbs most light rather than bouncing it around. It creates a heavy, enclosed atmosphere that makes large rooms feel more intimate and grounded, though it will shrink the perceived size of smaller or windowless spaces.

This is a high-impact anchor color. While it can work on all four walls for a dramatic 'mood' room, it is most effectively used as a sophisticated feature wall or for cabinetry to provide a sharp, clean contrast against lighter architectural elements.

LRV 14

History & Origin

This color sits firmly in a contemporary, modern aesthetic. It moves away from traditional light-filled Victorian palettes and leans into the current preference for bold, architectural depth and high-contrast styling.

Undertoneneutral
FamilyNeutral

How to Use It

Use this in rooms where you want to signal sophistication, such as a home office, media room, or a bedroom. Pair it with warm walnut wood tones or matte brass hardware to soften the gray, or use matte black fixtures for a sleek, monochromatic industrial look.

The Mood

Living with this color feels stable, serious, and highly restorative. It is not an energizing color; instead, it provides a quiet, professional backdrop that reduces visual clutter and promotes deep focus or relaxation.

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.

  • Greybeard 0528

    Colourtrend

  • Granite Top®

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  • Molten Lead

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  • Dark Ash

    Behr · 770F-5

  • Charcoal Slate

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  • Trout Gray

    Benjamin Moore · 2124-20

Lighting

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

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