Coastline (BM AF-570)

Illustrative room. Screen colors vary; test a sample before you paint.
Coastline (BM AF-570) is a deep, cool blue from Benjamin Moore: LRV 33.9, so it reflects about 34 percent of the light that hits it.
Colors that go with Coastline
Four Benjamin Moore colors picked for Coastline by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Benjamin Moore did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Coastline, 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 |
|---|---|---|---|---|---|
| Sherwin-Williams | Daphne | SW 9151 | 32 | 2.6 | noticeably different |
| Behr | Teton Blue | N490-4 | 31 | 2.0 | very close |
| Valspar | Evening Eclipse | 4007-3C | 32 | 1.2 | very close |
| PPG Paints | Quicksilver | 1041-5 | 34 | 0.8 | indistinguishable |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Coastline (LRV 33.9) by LRV.
Lighter than Coastline
Darker than Coastline
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | AF-570 |
| Hex | #919DA8 |
| RGB | 145, 157, 168 |
| HSL | 209°, 12%, 61% |
| LRV (light reflectance value) | 33.9 |
| Lab L*, a*, b* | 64.1, -1.9, -7.2 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Coastline (BM AF-570), published as #919DA8
#7F93A6
#A3A7A8
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
More from Benjamin Moore
Common questions
- What is the LRV of Coastline (BM AF-570)?
- Coastline has an LRV of 33.9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Coastline is a deep color.
- What is the closest match to Coastline in another brand?
- Quicksilver (PPG 1041-5) from PPG Paints, at a deltaE of 0.8 (indistinguishable).
- Is Coastline warm or cool?
- Benjamin Moore lists Coastline as cool, with a Cool undertone. Its Lab b* value is -7.2; 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.