Code PWN-36 (Celestial Glow) reflects 83% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Celestial Glow (PWN-36) registers J'=94.0, a'=-1.95, and b'=0.38 with HSL (90°, 5%, 92%) and Helmholtz-Kohlrausch perceived value 93 L*_HK. Because PWN-36 carries a*=-0.69 red-green and b*=0.85 yellow-blue balance at chroma C*=1.09, Celestial Glow projects a neutral crisp neutral true white/grey character across drywall and millwork.
Thermal lighting shifts Behr PWN-36 predictably. Under 5000K noon daylight, Celestial Glow (PWN-36) holds its native #F2E9DF swatch; at 4000K cool office LED, PWN-36 adapts to #FAE8D6; at 3500K halogen, Celestial Glow transitions to #FFE7CF; at 3000K residential LED, PWN-36 warms to #FFE5CA; and under 2700K evening bulbs, Celestial Glow (PWN-36) settles at #FFE3C6.
When cross-matching Behr Celestial Glow (PWN-36, #EAEBE9), Benjamin Moore Ultra White (CC-10, #ECEEEC, LRV 85.04%) scores ΔE2000=0.77 and CAM16=0.97, followed by White (OC-151, ΔE=0.81). In Sherwin-Williams, Ceiling Bright White (SW 7007, #E9EBE7, LRV 82.53%) achieves ΔE2000=1.23 ahead of Ice Cube (SW 6252, ΔE=1.62). Coordinate PWN-36 with Ultra Pure White (50) ceilings, Vibrant White (BWC-12) trim, Silver Screen (770E-2) hallways, and Alaskan Gray (HDC-NT-23G) accents.