Monorail Silver (SW 7663)
Illustrative room. Screen colors vary; test a sample before you paint.
Monorail Silver (SW 7663) is a medium, neutral gray from Sherwin-Williams: LRV 50, so it reflects about 50 percent of the light that hits it.
Colors that go with Monorail Silver
Four Sherwin-Williams colors picked for Monorail Silver 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 Monorail Silver, 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 | Winter Solstice | 1605 | 50.7 | 1.2 | very close |
| Behr | French Silver | PPU18-05 | 49.8 | 0.6 | indistinguishable |
| Valspar | Polished Silver | 4008-1B | 47 | 1.1 | very close |
| PPG Paints | Quest | 10-15 | 53 | 1.4 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams gray colors nearest to Monorail Silver (LRV 50) by LRV.
Lighter than Monorail Silver
Darker than Monorail Silver
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 7663 |
| Hex | #B8BCBB |
| RGB | 184, 188, 187 |
| HSL | 165°, 3%, 73% |
| LRV (light reflectance value) | 50 |
| Lab L*, a*, b* | 75.9, -1.6, 0.0 |
| Undertone | Neutral |
| Temperature | neutral |
| Color family | Gray |
Same paint, two kinds of light
Monorail Silver (SW 7663), published as #B8BCBB
#A7B2B9
#CAC6BB
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
More from Sherwin-Williams
Common questions
- What is the LRV of Monorail Silver (SW 7663)?
- Monorail Silver has an LRV of 50. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Monorail Silver is a medium color.
- What is the closest match to Monorail Silver in another brand?
- French Silver (Behr PPU18-05) from Behr, at a deltaE of 0.6 (indistinguishable).
- Is Monorail Silver warm or cool?
- Sherwin-Williams lists Monorail Silver as neutral, with a Neutral undertone. Its Lab b* value is 0.0; 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.