Code SW 6182 (Ethereal White) reflects 75.82% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Ethereal White (SW 6182) registers J'=91.2, a'=-1.64, and b'=3.42 with HSL (54°, 15%, 87%) and Helmholtz-Kohlrausch perceived value 90.1 L*_HK. Because SW 6182 carries a*=-1.24 red-green and b*=4.51 yellow-blue balance at chroma C*=4.68, Ethereal White projects a warm soft green-beige character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 6182 predictably. Under 5000K noon daylight, Ethereal White (SW 6182) holds its native #EBE0D0 swatch; at 4000K cool office LED, SW 6182 adapts to #F2DFC7; at 3500K halogen, Ethereal White transitions to #F7DEC1; at 3000K residential LED, SW 6182 warms to #FEDCBC; and under 2700K evening bulbs, Ethereal White (SW 6182) settles at #FFDAB8.
When cross-matching Sherwin-Williams Ethereal White (SW 6182, #E3E2D9), Behr Roadster White (N370-1, #E1E0D7, LRV 75%) scores ΔE2000=0.45 and CAM16=0.62, followed by White Pepper (PPU24-13, ΔE=0.7). In Benjamin Moore, Silver Satin (856, #E3E2DA, LRV 75.86%) achieves ΔE2000=0.46 ahead of Silver Satin (OC-26, ΔE=0.46). Coordinate SW 6182 with High Reflective White (SW 7757) ceilings, Ibis White (SW 7000) trim, Aloof Gray (SW 6197) hallways, and Sensible Hue (SW 6198) accents.