Biscay Bay (PPG 1234-5)
Illustrative room. Screen colors vary; test a sample before you paint.
Biscay Bay (PPG 1234-5) is a deep, cool blue from PPG Paints: LRV 37, so it reflects about 37 percent of the light that hits it.
Colors that go with Biscay Bay
Four PPG Paints colors picked for Biscay Bay by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. PPG Paints did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Biscay Bay, 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 | Aquarium | SW 6767 | 32 | 3.6 | noticeably different |
| Benjamin Moore | Harbor Side Blue | 740 | 40.3 | 2.3 | noticeably different |
| Behr | Lagoon Rock | P460-4 | 40.9 | 2.7 | noticeably different |
| Valspar | Rushing Stream | 5005-10B | 37 | 1.9 | very close |
Lighter and darker in PPG Paints
The PPG Paints blue colors nearest to Biscay Bay (LRV 37) by LRV.
Lighter than Biscay Bay
Darker than Biscay Bay
Color data
| Brand | PPG Paints |
|---|---|
| Color code | 1234-5 |
| Hex | #4FB3B3 |
| RGB | 79, 179, 179 |
| HSL | 180°, 40%, 51% |
| LRV (light reflectance value) | 37 |
| Lab L*, a*, b* | 67.4, -28.8, -8.8 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Biscay Bay (PPG 1234-5), published as #4FB3B3
#2DA9B1
#6ABDB3
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from PPG Paints
More from PPG Paints
Common questions
- What is the LRV of Biscay Bay (PPG 1234-5)?
- Biscay Bay has an LRV of 37. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Biscay Bay is a deep color.
- What is the closest match to Biscay Bay in another brand?
- Rushing Stream (Valspar 5005-10B) from Valspar, at a deltaE of 1.9 (very close).
- Is Biscay Bay warm or cool?
- PPG Paints lists Biscay Bay as cool, with a Cool undertone. Its Lab b* value is -8.8; 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.