Summer Sky (Behr HDC-CT-15)

Illustrative room. Screen colors vary; test a sample before you paint.
Summer Sky (Behr HDC-CT-15) is a light, cool blue from Behr: LRV 67.6, so it reflects about 68 percent of the light that hits it.
Colors that go with Summer Sky
Four Behr colors picked for Summer Sky by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Summer 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 | Rhythmic Blue | SW 6806 | 69 | 2.4 | noticeably different |
| Benjamin Moore | Soft Sky | 807 | 65.8 | 0.7 | indistinguishable |
| Valspar | New Day | 4006-5A | 70 | 1.6 | very close |
| PPG Paints | Magic Wand | 1158-2 | 67 | 0.9 | indistinguishable |
Lighter and darker in Behr
The Behr blue colors nearest to Summer Sky (LRV 67.6 (estimated)) by LRV.
Lighter than Summer Sky
Darker than Summer Sky
Color data
| Brand | Behr |
|---|---|
| Color code | HDC-CT-15 |
| Hex | #C4DAE7 |
| RGB | 196, 218, 231 |
| HSL | 202°, 42%, 84% |
| LRV (light reflectance value) | 67.6 (estimated from the hex) |
| Lab L*, a*, b* | 85.8, -4.7, -8.8 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Summer Sky (Behr HDC-CT-15), published as #C4DAE7
#B1D0E5
#D8E4E7
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Summer Sky (Behr HDC-CT-15)?
- Summer Sky has an LRV of 67.6 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Summer Sky is a light color.
- What is the closest match to Summer Sky in another brand?
- Soft Sky (BM 807) from Benjamin Moore, at a deltaE of 0.7 (indistinguishable).
- Is Summer Sky warm or cool?
- Behr lists Summer Sky 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: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. 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.