Behr Billowy Down (780E-1) records 87% LRV and 94.8 L*_HK lightness (#EFF0E9, RGB 239/240/233). Its CIELAB coordinates (L*=94.55, a*=-1.56, b*=3.26, C*=3.61, h°=115.6°) place 780E-1 in the Soft Green-Beige class. Top cross-brand matches for Billowy Down (780E-1) are Benjamin Moore Oxford White (869, ΔE=0.21) and Sherwin-Williams Extra White (SW 7006, ΔE=0.97).
Behr Billowy Down (780E-1, #EFF0E9) is compared against competitor swatches under ISO/CIE 11664-6 (ΔE2000) and ASTM E308.
| Role / Brand | Paint Color Name & Code | HEX Code | LRV % | Undertone Profile | CIE ΔE 2000 |
|---|---|---|---|---|---|
| SOURCE (Behr) | Billowy Down (780E-1) | #EFF0E9 | 87% | Soft Green-Beige | 0.00 (Ref) |
| Benjamin Moore #1 | Oxford White (869) | #F0F1EA | 87.43% | Soft Green-Beige | ΔE 0.21 (99.6%) |
| Benjamin Moore #2 | Oxford White (CC-30) | #F0F1EA | 87.43% | Soft Green-Beige | ΔE 0.21 (99.6%) |
| Sherwin-Williams #1 | Extra White (SW 7006) | #EEEFEA | 85.89% | Soft Green-Beige | ΔE 0.97 (98%) |
| Sherwin-Williams #2 | Pure White (SW 7005) | #EDECE6 | 83.77% | Soft Green-Beige | ΔE 1.40 (97.1%) |
Sub-threshold ΔE=0.21 match for 780E-1: Oxford White (869) delivers identical 87.43% reflectance to 780E-1 with matched C*=3.61 saturation.
Sub-threshold ΔE=0.21 match for 780E-1: Oxford White (CC-30) delivers identical 87.43% reflectance to 780E-1 with matched C*=3.61 saturation.
Sub-threshold ΔE=0.21 match for 780E-1: White Heron (OC-57) delivers identical 87.43% reflectance to 780E-1 with matched C*=3.61 saturation.
Sub-threshold ΔE=0.97 match for 780E-1: Extra White (SW 7006) delivers -1.1 LRV points deeper than Billowy Down (780E-1) with -1.01 softer C*=2.6 chroma.
Cross-room ΔE=1.4 equivalent for 780E-1: Pure White (SW 7005) delivers -3.2 LRV points deeper than Billowy Down (780E-1) with -0.51 softer C*=3.1 chroma.
Cross-room ΔE=1.69 equivalent for 780E-1: High Reflective White (SW 7757) delivers +5.7 LRV points lighter than Billowy Down (780E-1) with -0.55 softer C*=3.06 chroma.
Coordinated ceiling, trim, wall, sightline, and accent pairings for Billowy Down (#EFF0E9, LRV 87%).
Billowy Down (780E-1, b*=3.26) counteracts cool northern sky cast without shifting dingy.
Bleached Ash, Nordic Pine & Honed Slate under 780E-1
3000K–3500K CRI 95+ LED for 780E-1 (2700K shifts to #FFE8C6)
Need Billowy Down (780E-1, LRV 87%) brighter or deeper? Adjacent Behr fan-deck steps around #EFF0E9:
Calculate exact gallon volume for Behr Billowy Down (780E-1) accounting for standard North American door (21 sq.ft.) and window (15 sq.ft.) deductions.
Code 780E-1 (Billowy Down) reflects 87% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Billowy Down (780E-1) registers J'=95.4, a'=-2.29, and b'=2.52 with HSL (69°, 19%, 93%) and Helmholtz-Kohlrausch perceived value 94.8 L*_HK. Because 780E-1 carries a*=-1.56 red-green and b*=3.26 yellow-blue balance at chroma C*=3.61, Billowy Down projects a warm soft green-beige character across drywall and millwork.
Thermal lighting shifts Behr 780E-1 predictably. Under 5000K noon daylight, Billowy Down (780E-1) holds its native #F7EEDF swatch; at 4000K cool office LED, 780E-1 adapts to #FFEDD6; at 3500K halogen, Billowy Down transitions to #FFECCF; at 3000K residential LED, 780E-1 warms to #FFEACA; and under 2700K evening bulbs, Billowy Down (780E-1) settles at #FFE8C6.
When cross-matching Behr Billowy Down (780E-1, #EFF0E9), Benjamin Moore Oxford White (869, #F0F1EA, LRV 87.43%) scores ΔE2000=0.21 and CAM16=0.3, followed by Oxford White (CC-30, ΔE=0.21). In Sherwin-Williams, Extra White (SW 7006, #EEEFEA, LRV 85.89%) achieves ΔE2000=0.97 ahead of Pure White (SW 7005, ΔE=1.4). Coordinate 780E-1 with Ultra Pure White® (PR-W15) ceilings, Bridal Veil (W-D-600) trim, Eon (N370-2) hallways, and Gull Gray (QE-50) accents.
Spectrophotometric answers for homeowners, interior designers, and painting contractors specifying Behr Billowy Down.
Behr Billowy Down (780E-1) records an official Light Reflectance Value of 87% (#EFF0E9) and a Helmholtz-Kohlrausch perceived lightness of 94.8 L*_HK.
At 87% reflectance, Billowy Down (780E-1) sits in the high-reflectance architectural tier, bouncing daylight across Behr walls while maintaining HSL (69°, 19%, 93%).
CIELAB telemetry (L*=94.55, a*=-1.56, b*=3.26) classifies Behr Billowy Down (780E-1) as a Warm Soft Green-Beige with C*=3.61 chroma and h°=115.6° hue.
Pair Billowy Down (780E-1) with North & East Windows for 780E-1 (87% LRV) and Bleached Ash, Nordic Pine & Honed Slate under 780E-1. Under 2700K evening bulbs, 780E-1 shifts from #EFF0E9 toward #FFE8C6.
Closest verified equivalents to Behr Billowy Down (780E-1, #EFF0E9) are Benjamin Moore Oxford White (869, #F0F1EA) at ΔE2000=0.21 and Sherwin-Williams Extra White (SW 7006, #EEEFEA) at ΔE2000=0.97.
Both 869 and SW 7006 matches are verified against Billowy Down (780E-1) in CIE ΔE2000 and CAM16-UCS space.
Alongside Behr Billowy Down (780E-1, LRV 87%), our Ou-Luo harmony engine specifies Behr Bridal Veil (W-D-600, #F3F1EE, LRV 88%) in Semi-Gloss or Satin.
Pairing Bridal Veil (W-D-600) with Billowy Down (780E-1) frames door casings and baseboards cleanly.