Blue Grass
Benjamin Moore · CC-640
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The Analysis
Blue Grass is a soft, sage-leaning blue-green that functions as a high-performing neutral. With an LRV of 61.15, it reflects a significant amount of light, which helps smaller rooms feel more open and airy without the starkness of pure white.
This colour works best as a main wall paint because it is subtle enough to act as a neutral while providing more character than a standard grey. It is versatile enough to support either bold decor or a minimalist interior scheme.
LRV 61History & Origin
While it draws inspiration from classic botanical palettes, its muted undertones align it well with modern design. It feels fresh and current rather than restricted to a specific historical period.
How to Use It
It excels in bedrooms and bathrooms where a calming environment is the priority. Pair it with warm oak wood tones to lean into the nature-inspired vibe, or use matte black hardware for a sharper, modern contrast.
The Mood
Living with this shade is consistently restful because it mimics natural earth tones, which are visually soothing. It provides a clean, clutter-free backdrop that feels balanced rather than over-stimulating.
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
- Morning
- Afternoon
- Evening
- Overcast
- 2700K
- 3500K
- 4000K
- 5500K