Code SW 7009 (Pearly White) reflects 77.23% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Pearly White (SW 7009) registers J'=91.8, a'=-0.30, and b'=3.94 with HSL (40°, 25%, 88%) and Helmholtz-Kohlrausch perceived value 90.7 L*_HK. Because SW 7009 carries a*=-0.03 red-green and b*=5.48 yellow-blue balance at chroma C*=5.48, Pearly White projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 7009 predictably. Under 5000K noon daylight, Pearly White (SW 7009) holds its native #F0E1D0 swatch; at 4000K cool office LED, SW 7009 adapts to #F7E0C7; at 3500K halogen, Pearly White transitions to #FCDFC1; at 3000K residential LED, SW 7009 warms to #FFDDBB; and under 2700K evening bulbs, Pearly White (SW 7009) settles at #FFDBB8.
When cross-matching Sherwin-Williams Pearly White (SW 7009, #E8E3D9), Behr Smoky White (BWC-13, #E9E4DA, LRV 78%) scores ΔE2000=0.22 and CAM16=0.31, followed by Shoelace (OR-W13, ΔE=0.6). In Benjamin Moore, Etiquette (AF-50, #E5E0D5, LRV 74.9%) achieves ΔE2000=0.82 ahead of Grandma'S China (CSP-365, ΔE=1.07). Coordinate SW 7009 with High Reflective White (SW 7757) ceilings, Extra White (SW 7006) trim, Alpaca (SW 7022) hallways, and Mindful Gray (SW 7016) accents.