Behr Undersea S470-7
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| Code: | S470-7 |
| Name: | Undersea |
| Brand: | Behr |
What color is Behr Undersea?
Behr Undersea S470-7 is a deep, muted blue-gray with a distinctly cool cast and a softened, low-saturation finish. Its charcoal-like depth keeps it from reading as a bright blue, while the blue undertone becomes clearer in daylight and under cooler LED bulbs. On walls, Undersea gives studies, dining rooms, and bedrooms a grounded, shadowy backdrop without appearing flat. It also makes a strong choice for cabinetry or an exterior front door, especially alongside crisp white trim, pale gray stone, or brushed nickel hardware. Warm oak, cognac leather, and linen fabrics can add useful contrast to this color’s cool depth.
Behr Undersea reviews (6 photos)
View the photos of real spaces painted with this blue 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 Undersea undertones?
Undersea is a deep, very muted slate blue. The HEX sample has a subtle blue bias, but its low chroma turns that hue into a neutral-looking color rather than a clear blue. Warm bulbs may gray the color down, while cool daylight usually makes its blue or teal direction clearer.
HEX value:
RGB code:
74, 88, 95
Is Behr Undersea cool or warm?
With a hue of 200°, this dark blue reads cool based on its HSL hue position.
S470-7 Undersea HSL code: 200, 12%, 33%
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 Undersea
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 blue shade looks under different lighting:
Coordinating colors.
Colors that go with Behr Undersea:
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
S470-7
Undersea
Darker shades
S470-7
Undersea
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 Undersea with a green hue, complementary colors are those with a red hue close to 20, such as Behr Autumn Ashes and Piano Brown.
LRV of Undersea
Undersea has an LRV of 9.24% and refers to Dark colors which means that this color almost does not reflect 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 9.24%, 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 | #4a585f |
| RGB Decimal | 74, 88, 95 |
| RGB Percent | 29.02%, 34.51%, 37.25% |
| HSV | Hue: 200° Saturation: 22.11% Value: 37.25% |
| HSL | hsl(200, 12, 33) |
| CMYK | Cyan: 22.11 Magenta: 7.37 Yellow: 0.0 Key: 62.75 |
| YIQ | Y: 84.612 I: -10.592 Q: -0.783 |
| XYZ | X: 8.379 Y: 9.261 Z: 12.17 |
| CIE Lab | L:36.483 a:-3.692 b:-5.852 |
| CIE Luv | L:36.483 u:-7.353 v:-7.049 |
| Decimal | 4872287 |
| Hunter Lab | 30.432, -4.112, -2.407 |
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