Benjamin Moore Arctic Seal CSP-15
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| Official page: | Arctic Seal CSP-15 |
| Code: | CSP-15 |
| Name: | Arctic Seal |
| Brand: | Benjamin Moore |
What color is Benjamin Moore Arctic Seal?
Benjamin Moore Arctic Seal CSP-15 is a deep, muted gray with an almost neutral cast and the faintest cool edge. Its medium-dark value gives walls noticeable definition without reading as black or charcoal. In bright daylight, Arctic Seal can appear soft and balanced; under lower or warmer artificial light, it may take on a slightly warmer, smokier look. Use it for a grounded dining room, a study, or kitchen cabinetry paired with pale wood, brushed nickel, crisp white trim, and off-white stone. This shade also makes a restrained exterior accent for doors or shutters when a dark neutral is wanted without a stark contrast.
Arctic Seal for exterior (3 photos)
Looking for a fresh new look for your house exterior or starting from skretch? We’ve collected pictures of real-life homes that have been painted with this warm grey hue. Find inspiration for your house’s exterior, front doors, gates, shutters, frames or windows.



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What are Benjamin Moore Arctic Seal undertones?
Arctic Seal is a midtone, near-neutral charcoal 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:
108, 107, 109
Is Benjamin Moore Arctic Seal cool or warm?
With a hue of 270°, this black shade sits right in the neutral zone on the HSL color wheel—neither warm nor cool.
CSP-15 Arctic Seal HSL code: 270, 1%, 42%
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 Arctic Seal
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 black shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Benjamin Moore Arctic Seal:
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
CSP-15
Arctic Seal
Darker shades
CSP-15
Arctic Seal
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 Arctic Seal with a purple hue, complementary colors are those with a yellow hue close to 90, such as Benjamin Moore Night Mist and White Violet.
LRV of Arctic Seal
Arctic Seal has an LRV of 16.32% 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 16.32%, 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 | #6C6B6D |
| RGB Decimal | 108, 107, 109 |
| RGB Percent | 42.35%, 41.96%, 42.75% |
| HSV | Hue: 270° Saturation: 1.83% Value: 42.75% |
| HSL | hsl(270, 1, 42) |
| CMYK | Cyan: 0.92 Magenta: 1.83 Yellow: 0.0 Key: 57.25 |
| YIQ | Y: 107.527 I: -0.047 Q: 0.834 |
| XYZ | X: 14.202 Y: 14.808 Z: 16.574 |
| CIE Lab | L:45.37 a:0.796 b:-0.977 |
| CIE Luv | L:45.37 u:0.447 v:-1.429 |
| Decimal | 7105389 |
| Hunter Lab | 38.481, -1.464, 1.4 |
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