Code SW 7064 (Passive) reflects 60.12% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Passive (SW 7064) registers J'=84.2, a'=-1.92, and b'=0.99 with HSL (80°, 3%, 79%) and Helmholtz-Kohlrausch perceived value 82 L*_HK. Because SW 7064 carries a*=-0.89 red-green and b*=1.37 yellow-blue balance at chroma C*=1.63, Passive projects a warm soft green-beige character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 7064 predictably. Under 5000K noon daylight, Passive (SW 7064) holds its native #D2CBC1 swatch; at 4000K cool office LED, SW 7064 adapts to #D9C9B8; at 3500K halogen, Passive transitions to #DEC8B3; at 3000K residential LED, SW 7064 warms to #E4C7AE; and under 2700K evening bulbs, Passive (SW 7064) settles at #E8C5AA.
When cross-matching Sherwin-Williams Passive (SW 7064, #CBCCC9), Behr Pewter Vase (PPL-64, #CECECB, LRV 61%) scores ΔE2000=0.75 and CAM16=0.91, followed by Silver Screen (770E-2, ΔE=1.19). In Benjamin Moore, Perspective&Reg; (CSP-5, #CBCDCA, LRV 60.63%) achieves ΔE2000=0.53 ahead of Metro Gray (1459, ΔE=0.93). Coordinate SW 7064 with High Reflective White (SW 7757) ceilings, Arcade White (SW 7100) trim, Marshmallow (SW 7001) hallways, and Extra White (SW 7006) accents.