Jack-In-A-Box
Little Greene · 6154
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The Analysis
Jack-In-A-Box is a mid-tone seafoam green that balances brightness with depth. With an LRV of 42.45, it reflects a moderate amount of light, preventing the room from feeling cave-like while adding enough pigment to define the walls.
This shade works best as a main wall colour in smaller spaces or as a high-impact accent in larger rooms. It has enough character to stand alone without needing heavy decor to ground it.
LRV 42History & Origin
It leans toward a modern, fresh aesthetic rather than a traditional period look. While it has roots in mid-century palette experimentation, it feels distinctly contemporary in current interior design schemes.
How to Use It
It pairs exceptionally well with warm, mid-toned oaks or matte black hardware to ground the green. Use it in kitchens or bathrooms for a crisp, hygienic feel, or in a study to break away from standard neutral tones.
The Mood
Living with this colour feels balanced and refreshing without being overly stimulating. It provides a clean, stable backdrop that promotes focus, making it a great choice for areas where you want a calm but alert environment.
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.
Add harmony palette to a room
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Brand Matches
Perceptually similar colours from across all brands in our database.
Lighting
See how this colour shifts across natural and artificial light conditions.
- Natural