Code SW 6154 (Nacre) reflects 76.47% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Nacre (SW 6154) registers J'=91.5, a'=-0.45, and b'=5.32 with HSL (42°, 30%, 87%) and Helmholtz-Kohlrausch perceived value 90.5 L*_HK. Because SW 6154 carries a*=-0.35 red-green and b*=7.56 yellow-blue balance at chroma C*=7.57, Nacre projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 6154 predictably. Under 5000K noon daylight, Nacre (SW 6154) holds its native #F0E0CB swatch; at 4000K cool office LED, SW 6154 adapts to #F7DFC2; at 3500K halogen, Nacre transitions to #FCDEBC; at 3000K residential LED, SW 6154 warms to #FFDCB7; and under 2700K evening bulbs, Nacre (SW 6154) settles at #FFDAB3.
When cross-matching Sherwin-Williams Nacre (SW 6154, #E8E2D4), Behr Crisp Linen (MQ3-13, #E7E1D3, LRV 76%) scores ΔE2000=0.22 and CAM16=0.31, followed by Ostrich (W-F-410, ΔE=0.22). In Benjamin Moore, Strand Of Pearls&Reg; (CSP-395, #E3DED0, LRV 73.28%) achieves ΔE2000=1.06 ahead of White Down (970, ΔE=1.1). Coordinate SW 6154 with High Reflective White (SW 7757) ceilings, Ibis White (SW 7000) trim, Worldly Gray (SW 7043) hallways, and Techno Gray (SW 6170) accents.