Outerspace (SW 6251)

Illustrative room. Screen colors vary; test a sample before you paint.
Outerspace (SW 6251) is a very deep, cool gray from Sherwin-Williams: LRV 12, so it reflects about 12 percent of the light that hits it.
Colors that go with Outerspace
Four Sherwin-Williams colors picked for Outerspace by this site's color math: a trim white, a deeper gray, a quiet contrast from another family, a dark accent. Sherwin-Williams did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Outerspace, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Benjamin Moore | Powell Gray | CW-665 | 14.6 | 1.6 | very close |
| Behr | Calligraphy | N490-6 | 12.1 | 0.8 | indistinguishable |
| Valspar | Cobalt Cannon | 5001-2C | 12 | 2.2 | very close |
| PPG Paints | Goblin | 1040-7 | 11 | 2.1 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams gray colors nearest to Outerspace (LRV 12) by LRV.
Lighter than Outerspace
Darker than Outerspace
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6251 |
| Hex | #586168 |
| RGB | 88, 97, 104 |
| HSL | 206°, 8%, 38% |
| LRV (light reflectance value) | 12 |
| Lab L*, a*, b* | 40.6, -1.9, -5.1 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Gray |
Same paint, two kinds of light
Outerspace (SW 6251), published as #586168
#475866
#696A68
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
Comparisons that include Outerspace (SW 6251)
More from Sherwin-Williams
Common questions
- What is the LRV of Outerspace (SW 6251)?
- Outerspace has an LRV of 12. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Outerspace is a very deep color.
- What is the closest match to Outerspace in another brand?
- Calligraphy (Behr N490-6) from Behr, at a deltaE of 0.8 (indistinguishable).
- Is Outerspace warm or cool?
- Sherwin-Williams lists Outerspace as cool, with a Cool undertone. Its Lab b* value is -5.1; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.