Paint Color Consultants

Benjamin Moore

Rocky Mountain Sky

2066-40

Rocky Mountain Sky is a saturated, mid-value blue with an LRV of 31.02, giving it enough depth to hold visual weight on walls while still reflecting a moderate level of light. Its cool undertones read distinctly blue with minimal gray or green influence, and it intensifies under natural daylight. White Diamond and Decorator's White pair cleanly as high-contrast trim choices, while Silver Marlin offers a quieter gray-blue transition.

Hale Navy deepens the palette for an analogous layered scheme, and Pale Smoke provides a softer blue extension that keeps adjacent surfaces from competing.
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Brand

Benjamin Moore

Code

2066-40

Collection

Color Preview

Rocky Mountain Sky 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 Rocky Mountain Sky under artificial light

Natural Lighting

Living room scene to simulate Benjamin Moore Rocky Mountain Sky under natural light

Technical Specifications

Undertones

Type

Blue

Strength

High

Temperature

cool

Hue Angle

199°

Cyan Family

Lightness

45%

Medium

Saturation

87%

Highly Saturated

LRV

31.0
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
#0F97D8
RGB Decimal
15, 151, 216
RGB Percent
5.9%, 59.2%, 84.7%
HSL
199.4, 87.0%, 45.3%
HSV
199.4, 93.1%, 84.7%
CMYK
93.1%, 30.1%, 0.0%, 15.3%
YIQ
117.7, -102.0, -8.4
XYZ
23.66, 27.19, 68.97
CIE Lab
59.15, -9.41, -42.19
CIE Luv
59.15, -38.15, -65.37
Hunter Lab
52.15, -7.72, -48.52
Decimal
1021912

Coordinating Colors and Color Palettes

Darker Shades

Monochromatic dark

Rocky Mountain SkyDeep RiverMondrian BlueBlue on Blue

Lighter Shades

Monochromatic light

Rocky Mountain SkyNewport BlueUtah SkyTrue Blue

Complementary

Opposite on color wheel

Rocky Mountain SkyIsland OrangeStorybook SundownPeachy Keen

Closest Paint Matches

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

Benjamin Moore

Rocky Mountain Sky

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Utah Sky

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Rocky Mountain Sky

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Toronto Blue

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Yosemite Blue