Valspar UK Mountain Boulder R12C
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| Official page: | Mountain Boulder R12C |
| Code: | R12C |
| Name: | Mountain Boulder |
| Brand: | Valspar UK |
What color is Valspar UK Mountain Boulder?
Let's dive into a full Mountain Boulder paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful R12C. Find out if this gorgeous warm grey paint color would look great on your living room walls or trims, kitchen cabinet, bedroom accent wall, bathroom or house exterior.
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What are Valspar UK Mountain Boulder undertones?
Mountain Boulder is a mid-light, near-neutral medium gray. Its chroma is so low that assigning a specific hue-based undertone would be misleading. Because it is close to neutral, nearby surfaces and the color of the light can noticeably change how warm or cool it appears.
HEX value:
RGB code:
183, 177, 173
Is Valspar UK Mountain Boulder cool or warm?
With a hue of 24°, this Grey leans warm, but it is close to neutral and can read cooler in some light.
R12C Mountain Boulder HSL code: 24, 6%, 70%
Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is expressed as a percentage. At 0%, it appears as a shade of grey, and at 100%, it is in full color.
Lightness is also a percentage value. 0% is black, and 100% is white.
How light temperature affects Mountain Boulder
Natural Lighting. During the day, natural light shifts from about 2000 K at sunrise/sunset to 5500–6500 K at noon.
In addition, natural-light temperature depends on its direction:
| Direction of sunlight | Visible temp. | Hue | Duration |
|---|---|---|---|
| North | Cool | Bluish | All day |
| East | Warm | Yellow | Before noon |
| West | Warm | Orange-red | After noon |
| South | Warm | Orange-yellow | All day |
Artificial Lighting. When choosing bulbs, pay attention to their color temperature in Kelvins.
Use the slider to see how this Grey shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Valspar UK Mountain Boulder:
Monochromatic color scheme
This scheme consists of various shades, tints, and tones of a single color. While it offers a perfect combination of hues, without accent décor it may become monotonous.
Lighter shades
R12C
Mountain Boulder
Darker shades
R12C
Mountain Boulder
Complementary color scheme
This color scheme is a combination of two shades that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect. For the color Mountain Boulder with a red hue, complementary colors are those with a green hue close to 204, such as Valspar UK Milky Way and Laura Grey.
Color codes
We have collected almost every possible color code you could ever need.
Not sure what the difference between HEX and RGB is? We break down color models in plain language. Understanding color models
| Format | Code |
|---|---|
| HEX | #b7b1ad |
| RGB Decimal | 183, 177, 173 |
| RGB Percent | 71.76%, 69.41%, 67.84% |
| HSV | Hue: 24° Saturation: 5.46% Value: 71.76% |
| HSL | hsl(24, 6.49, 69.8) |
| CMYK | Cyan: 0.0 Magenta: 3.28 Yellow: 5.46 Key: 28.24 |
| YIQ | Y: 178.338 I: 4.861 Q: 0.024 |
| XYZ | X: 42.792 Y: 44.529 Z: 45.864 |
| CIE Lab | L:72.581 a:1.403 b:2.802 |
| CIE Luv | L:72.581 u:3.71 v:3.85 |
| Decimal | 12038573 |
| Hunter Lab | 66.73, -2.311, 5.96 |
Color equivalents
M340
Mountain Boulder
Valspar US
X37R75C
Anchors Aweigh
Valspar UK
R11C
Wet Pebbles
Valspar UK
20186
Lavender Touch
Jotun

10YY 46/041
Warm Truffle
Dulux

T571
Michigan Avenue
Valspar US
4001-1B
Winter Calm
Valspar US
T531
Swanky Gray
Valspar US
RAL 7044
Silk Grey
RAL Classic

Flying Feather
Dulux
SW 9572
Warm Pewter
Sherwin Williams
267
Dove Tale
Farrow and Ball

2111-50
Stone Harbor
Benjamin Moore

R76C
Moonlit Pebble
Valspar UK
1467
Baltic Gray
Benjamin Moore
AF-670
Nightingale
Benjamin Moore
SW 6002
Essential Gray
Sherwin Williams



