Paint Color Consultants

Benjamin Moore

Thundercloud Gray

2124-40

Thundercloud Gray is a medium gray from Benjamin Moore with balanced cool undertones that give it a slightly blue-leaning cast. Its LRV of 50.22 places it at a near-neutral reflectance, allowing it to function as a mid-value wall color without darkening a space significantly. The cool bias keeps it from reading as taupe or greige, maintaining a distinctly gray appearance.

It coordinates well with Gray Owl, Stonington Gray, Hale Navy, Sea Salt, and Gray Cashmere, serving as a dependable backdrop for both warm and cool accent colors.
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Brand

Benjamin Moore

Code

2124-40

Collection

Color Preview

Thundercloud Gray in Real Homes (2 Photos)

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Thundercloud Gray in Different Light

Light temperature is measured in Kelvin: a warm 2700K bulb pulls colors toward yellow, while 5000K daylight reads cooler and truer. Check the color at the time of day you actually use the room.

Artificial Lighting

Bedroom scene to simulate Benjamin Moore Thundercloud Gray under artificial light

Natural Lighting

Living room scene to simulate Benjamin Moore Thundercloud Gray under natural light

Technical Specifications

Undertones

Type

Blue

Strength

Low

Temperature

neutral

Hue Angle

203°

Cyan Family

Lightness

74%

Light

Saturation

6%

Very Muted

LRV

50.2
0%100%
Very Dark
Dark
Medium
Light
Very Light
White

LRV measures how much light a color reflects, from 0 (black) to 100 (pure white). Below about 50 a color needs good lighting to avoid going flat, 60 and up helps brighten a room, and most whites sit above 80.

Color Position
Saturation →
Lightness →

Color Codes

HEX
#B8BDC0
RGB Decimal
184, 189, 192
RGB Percent
72.2%, 74.1%, 75.3%
HSL
202.5, 6.0%, 73.7%
HSV
202.5, 4.2%, 75.3%
CMYK
4.2%, 1.6%, 0.0%, 24.7%
YIQ
187.8, -3.9, -0.1
XYZ
47.48, 50.39, 57.09
CIE Lab
76.31, -1.16, -2.12
CIE Luv
76.31, -2.96, -2.98
Hunter Lab
70.99, -1.08, -2.02
Decimal
12107200

Coordinating Colors and Color Palettes

Darker Shades

Monochromatic dark

Thundercloud GrayDelray GrayEnglewood CliffsWeb Gray

Lighter Shades

Monochromatic light

Thundercloud GrayEarly FrostLavender WashSilent Delight

Complementary

Opposite on color wheel

Thundercloud GrayGray ShadowsFusionLauren's Lace

Analogous

Adjacent colors

Thundercloud GrayDolphin At PlayWateryBest In Show

Closest Paint Matches

Cross-brand matches are close, never exact. Each brand uses different bases and sheens, so sample before you buy gallons.

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