Planetarium (PPG 1242-6)

Illustrative room. Screen colors vary; test a sample before you paint.
Planetarium (PPG 1242-6) is a very deep, cool blue from PPG Paints: LRV 15, so it reflects about 15 percent of the light that hits it.
Colors that go with Planetarium
Four PPG Paints colors picked for Planetarium 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 Planetarium, 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 | Blue Chip | SW 6959 | 13 | 2.0 | very close |
| Benjamin Moore | Paddington Blue | 791 | 16 | 2.6 | noticeably different |
| Behr | Cerulean | 560B-7 | 14.6 | 1.3 | very close |
| Valspar | Peek-A-Boo Blue | 4007-10C | 15 | 2.3 | very close |
Lighter and darker in PPG Paints
The PPG Paints blue colors nearest to Planetarium (LRV 15) by LRV.
Lighter than Planetarium
Darker than Planetarium
Color data
| Brand | PPG Paints |
|---|---|
| Color code | 1242-6 |
| Hex | #1C70AD |
| RGB | 28, 112, 173 |
| HSL | 205°, 72%, 39% |
| LRV (light reflectance value) | 15 |
| Lab L*, a*, b* | 45.4, -1.9, -39.3 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Planetarium (PPG 1242-6), published as #1C70AD
#0067AB
#4579AE
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 Planetarium (PPG 1242-6)?
- Planetarium has an LRV of 15. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Planetarium is a very deep color.
- What is the closest match to Planetarium in another brand?
- Cerulean (Behr 560B-7) from Behr, at a deltaE of 1.3 (very close).
- Is Planetarium warm or cool?
- PPG Paints lists Planetarium as cool, with a Cool Blue undertone. Its Lab b* value is -39.3; 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.