Coastline
AF-570 · #919DA8 · LRV 34 — cool blue tone, mid-tone — versatile but shifts visibly with light.
- 1Hale Navy8
- 2Waterloo13
- 3Coastline34
- 4Resolute Blue40
- 5Honolulu Blue62
What Color Is Coastline, Really?
Coastline reads as a cool blue tone — mid-tone — versatile but shifts visibly with light. The notes below cover how Benjamin Moore AF-570 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Coastline
Coastline is versatile enough for full rooms but has enough depth to anchor a space, so it suits living rooms, bedrooms and cabinetry alike. Blues calm a room, which makes them popular in bedrooms, bathrooms and home offices.
How Lighting Changes Coastline
Coastline sits in the mid-range at LRV 34, so it shifts visibly through the day — lighter and more open in morning light, deeper and moodier after dark. Its blue undertone is the part to watch: it gets picked up by whatever sits next to it, so test it against your trim, floor and the room's main light before committing. South-facing rooms will pull it lighter and warmer, while north light cools it down.
Most complaints about Coastline are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.
Need It From Another Brand?
Any paint counter can custom-tint Benjamin Moore AF-570 directly. If you would rather stay in one brand's own deck, these are the closest stock matches, measured as ΔE2000. Under 2 is a difference you will not see on the wall.
| Brand | Closest color | ΔE | LRV | |
|---|---|---|---|---|
| Sherwin-Williams | DebonairSW 9139 · Sherwin-Williams | 3.6 | 34 | Color page → |
| Behr | Dusty DenimN480-4A · Behr | 2.8 | 34 | Color page → |
| Valspar | Acier Tint4004-3C · Valspar | 1.8 | 33.1 | Color page → |
| PPG / Glidden | Coast of MainePPG10-20 · PPG / Glidden | 1.2 | 33 | Color page → |
| Glidden | Coast Of MainePPG10-20 · Glidden | 1.2 | 33 | Color page → |
| Dutch Boy | Monument Gray433-4DB · Dutch Boy | 2.1 | 32 | Color page → |
Similar Benjamin Moore Colors
The nearest shades to Coastline within Benjamin Moore's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
WCAG 2.1: AA is 4.5 : 1 for normal text, 3 : 1 for large text, AAA is 7 : 1.
Coordinated palette
Generated by hue-rotating #919DA8 in HSL space. Pair Coastline with one accent and one neutral — the swatches below are starting points, not final picks.
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