Code SW 7647 (Crushed Ice) reflects 65.32% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Crushed Ice (SW 7647) registers J'=86.7, a'=-0.59, and b'=2.85 with HSL (42°, 11%, 82%) and Helmholtz-Kohlrausch perceived value 84.9 L*_HK. Because SW 7647 carries a*=-0.21 red-green and b*=3.82 yellow-blue balance at chroma C*=3.83, Crushed Ice projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 7647 predictably. Under 5000K noon daylight, Crushed Ice (SW 7647) holds its native #DDD2C4 swatch; at 4000K cool office LED, SW 7647 adapts to #E4D0BB; at 3500K halogen, Crushed Ice transitions to #E9CFB5; at 3000K residential LED, SW 7647 warms to #EFCDB0; and under 2700K evening bulbs, Crushed Ice (SW 7647) settles at #F4CCAD.
When cross-matching Sherwin-Williams Crushed Ice (SW 7647, #D6D3CC), Behr Polar Fox (HDC-NT-17G, #D2D0C9, LRV 63%) scores ΔE2000=0.92 and CAM16=1.13, followed by Dove (HDC-MD-21, ΔE=1.18). In Benjamin Moore, Barren Plain (2111-60, #D3D0C9, LRV 63.25%) achieves ΔE2000=0.71 ahead of Abalone (2108-60, ΔE=1.1). Coordinate SW 7647 with High Reflective White (SW 7757) ceilings, Alabaster (SW 7008) trim, White Flour (SW 7102) hallways, and Ellie Gray (SW 7650) accents.