Prairie Sky (Valspar 4003-5B)
Illustrative room. Screen colors vary; test a sample before you paint.
Prairie Sky (Valspar 4003-5B) is a light, cool blue from Valspar: LRV 66, so it reflects about 66 percent of the light that hits it.
Colors that go with Prairie Sky
Four Valspar colors picked for Prairie Sky by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Valspar did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Prairie Sky, 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 | Icelandic | SW 6526 | 67 | 2.1 | very close |
| Benjamin Moore | Misty Blue | 820 | 65.8 | 1.0 | indistinguishable |
| Behr | Silent Ripple | 600C-2 | 67.2 | 0.9 | indistinguishable |
| PPG Paints | Stratosphere | 1162-2 | 64 | 0.7 | indistinguishable |
Lighter and darker in Valspar
The Valspar blue colors nearest to Prairie Sky (LRV 66) by LRV.
Lighter than Prairie Sky
Darker than Prairie Sky
Color data
| Brand | Valspar |
|---|---|
| Color code | 4003-5B |
| Hex | #CAD6E3 |
| RGB | 202, 214, 227 |
| HSL | 211°, 31%, 84% |
| LRV (light reflectance value) | 66 |
| Lab L*, a*, b* | 85.1, -1.5, -7.8 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Prairie Sky (Valspar 4003-5B), published as #CAD6E3
#B7CCE1
#DDE0E3
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Valspar
More from Valspar
Common questions
- What is the LRV of Prairie Sky (Valspar 4003-5B)?
- Prairie Sky has an LRV of 66. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Prairie Sky is a light color.
- What is the closest match to Prairie Sky in another brand?
- Stratosphere (PPG 1162-2) from PPG Paints, at a deltaE of 0.7 (indistinguishable).
- Is Prairie Sky warm or cool?
- Valspar lists Prairie Sky as cool, with a Cool undertone. Its Lab b* value is -7.8; 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.