Lucky Shamrock (PPG 1146-6)

Illustrative room. Screen colors vary; test a sample before you paint.
Lucky Shamrock (PPG 1146-6) is a very deep, cool blue from PPG Paints: LRV 17, so it reflects about 17 percent of the light that hits it.
Colors that go with Lucky Shamrock
Four PPG Paints colors picked for Lucky Shamrock 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 Lucky Shamrock, 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 | Grand Canal | SW 6488 | 16 | 2.1 | very close |
| Benjamin Moore | Pacific Rim | 678 | 19.1 | 2.6 | noticeably different |
| Behr | Pacific Sea Teal | 510D-7 | 18.1 | 3.0 | noticeably different |
| Valspar | Fish Story | 5006-8C | 19 | 4.3 | noticeably different |
Lighter and darker in PPG Paints
The PPG Paints blue colors nearest to Lucky Shamrock (LRV 17) by LRV.
Lighter than Lucky Shamrock
Darker than Lucky Shamrock
Color data
| Brand | PPG Paints |
|---|---|
| Color code | 1146-6 |
| Hex | #487A7B |
| RGB | 72, 122, 123 |
| HSL | 181°, 26%, 38% |
| LRV (light reflectance value) | 17 |
| Lab L*, a*, b* | 47.9, -16.5, -5.8 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Lucky Shamrock (PPG 1146-6), published as #487A7B
#317179
#5C837B
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 Lucky Shamrock (PPG 1146-6)?
- Lucky Shamrock has an LRV of 17. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Lucky Shamrock is a very deep color.
- What is the closest match to Lucky Shamrock in another brand?
- Grand Canal (SW 6488) from Sherwin-Williams, at a deltaE of 2.1 (very close).
- Is Lucky Shamrock warm or cool?
- PPG Paints lists Lucky Shamrock as cool, with a Cool undertone. Its Lab b* value is -5.8; 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.