Behr Belfast M390-6
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| Code: | M390-6 |
| Name: | Belfast |
| Brand: | Behr |
What color is Behr Belfast?
Behr Belfast M390-6 is a medium, leafy green with a noticeable yellow-green cast that keeps it grounded rather than blue or icy. Its mid-range depth gives walls clear color presence without making a room feel overly dark. In bright daylight, Belfast reads as a fresh garden green, while lower light can bring out its softer, earthier side. It suits mudrooms, kitchens, home offices, and covered exterior details, especially alongside warm white trim, natural oak, woven textures, and aged brass. For contrast, pair this shade with charcoal accents or deep brown wood rather than cool blue-grays.
Behr Belfast reviews (23 photos)
View the photos of real spaces painted with this green that were not included in specific categories. Close-ups, painted furniture, storages and dressers, hallways, stairs and ceilings.























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What are Behr Belfast undertones?
Belfast is a midtone, soft moss green. The HEX sample leans green; this describes its measurable digital hue direction, not a hidden paint pigment. Warm light can make it look more olive and earthy, while cool daylight usually makes the green direction easier to notice.
HEX value:
RGB code:
85, 141, 79
Is Behr Belfast cool or warm?
With a hue of 114°, this dark green reads cool based on its HSL hue position.
M390-6 Belfast HSL code: 114, 28%, 43%
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 Belfast
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 dark green shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Behr Belfast:
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.
Darker shades
M390-6
Belfast
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 Belfast with a yellow hue, complementary colors are those with a purple hue close to 294, such as Behr Mata Hari and Ancestry Violet.
LRV of Belfast
Belfast has an LRV of 18.01% and refers to Medium Dark which means that this color reflects very little light. Why LRV is important?
Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher the LRV of a paint color, the brighter the room you will get.
The scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting all light).
Act like a pro: When choosing paint with an LRV of 18.01%, pay attention to your bulbs' brightness. Light brightness is measured in lumens. The lower the paint's LRV, the higher lumen level you need. Every square foot of room needs at least 40 lumens. That means for a 200 ft2 living room you'll need about 8000 lumens of light – e.g., eight 1000 lm bulbs.
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 | #558d4f |
| RGB Decimal | 85, 141, 79 |
| RGB Percent | 33.33%, 55.29%, 30.98% |
| HSV | Hue: 114° Saturation: 43.97% Value: 55.29% |
| HSL | hsl(114, 28, 43) |
| CMYK | Cyan: 39.72 Magenta: 0.0 Yellow: 43.97 Key: 44.71 |
| YIQ | Y: 117.188 I: -13.447 Q: -31.14 |
| XYZ | X: 14.682 Y: 21.545 Z: 10.78 |
| CIE Lab | L:53.541 a:-31.467 b:27.375 |
| CIE Luv | L:53.541 u:-27.285 v:38.597 |
| Decimal | 5606735 |
| Hunter Lab | 46.416, -24.768, 18.722 |
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