NCS S 5010-R90B
| Code: | S 5010-R90B |
| Name: | |
| Brand: | NCS |
What color is NCS S 5010-R90B?
Let’s dive into a full S 5010-R90B paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful S 5010-R90B. Find out if this gorgeous cold grey paint color would look great on your living room walls or trims, kitchen cabinet, bedroom accent wall, bathroom or house exterior.
NCS S 5010-R90B reviews (5 photos)
View the photos of real spaces painted with this grey that were not included in specific categories.Close-ups, painted furniture, storages and dressers, hallways, stairs and ceilings.





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What are NCS S 5010-R90B undertones?
S 5010-R90B has a clear blue undertone based on its position in the color space. We identify undertones by isolating the pure hue (separating it from lightness and saturation), which avoids distortions caused by tints, tones, and shades.
This method is generally more reliable than judging undertones on a white background.
HEX value:
#717B85
RGB code:
113, 123, 133
Is NCS S 5010-R90B cool or warm?
With a hue of 210°, this black leans cool, but it's near the neutral line and may feel warmer in certain lighting.
S 5010-R90B HSL code: 210, 8%, 48%
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 S 5010-R90B
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 (Kelvins).
Use the slider to see how this black shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with NCS S 5010-R90B:
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
Darker shades
S 5010-R90B
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 S 5010-R90B with a blue hue, complementary colors are those with a orange hue close to 30, such as NCS and S 4005-Y50R.
Color codes
We have collected almost every possible color code you could ever need. To copy the code, just click the icon to the right of it.
| Format | Code | |
|---|---|---|
| HEX | #717b85 | |
| RGB Decimal | 113, 123, 133 | |
| RGB Percent | 44.31%, 48.24%, 52.16% | |
| HSV | Hue: 210° Saturation: 15.04% Value: 52.16% | |
| HSL | hsl(210, 8, 48) | |
| CMYK | Cyan: 15.04 Magenta: 7.52 Yellow: 0.0 Key: 47.84 | |
| YIQ | Y: 121.15 I: -9.172 Q: 0.997 | |
| XYZ | X: 18.125 Y: 19.37 Z: 24.968 | |
| CIE Lab | L:51.117 a:-1.501 b:-6.697 | |
| CIE Luv | L:51.117 u:-5.864 v:-9.207 | |
| Decimal | 7437189 | |
| Hunter Lab | 44.011, -3.507, -2.828 |
Color equivalents
2130-40
Black Pepper
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Grey Splendor
Dulux

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Charcoal Blue
Behr

S500
Surf
Tikkurila

2132-40
Eclipse
Benjamin Moore
2127-40
Wolf Gray
Benjamin Moore
2119-40
Silver Streak
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2120-40
Smoke Gray
Benjamin Moore

SW 2819
Downing Slate
Sherwin Williams

N510-5
Liquid Mercury
Behr
MQ5-19
Hypnotic
Behr
2129-40
Normandy
Benjamin Moore

4618
Evening Light
Jotun

SW 6249
Storm Cloud
Sherwin Williams

1629
Bachelor Blue
Benjamin Moore

AF-555
Montpelier
Benjamin Moore

S 5010-R70B
NCS

1623
Britannia Blue
Benjamin Moore

2118-40
Sea Life
Benjamin Moore

S 5005-R80B
NCS

