Code GR-W02 (Atrium White) reflects 87% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Atrium White (GR-W02) registers J'=95.6, a'=-2.60, and b'=6.27 with HSL (57°, 42%, 91%) and Helmholtz-Kohlrausch perceived value 95.5 L*_HK. Because GR-W02 carries a*=-2.73 red-green and b*=8.81 yellow-blue balance at chroma C*=9.22, Atrium White projects a warm soft green-beige character across drywall and millwork.
Thermal lighting shifts Behr GR-W02 predictably. Under 5000K noon daylight, Atrium White (GR-W02) holds its native #FAEFD6 swatch; at 4000K cool office LED, GR-W02 adapts to #FFEECC; at 3500K halogen, Atrium White transitions to #FFECC6; at 3000K residential LED, GR-W02 warms to #FFEBC0; and under 2700K evening bulbs, Atrium White (GR-W02) settles at #FFE9BD.
When cross-matching Behr Atrium White (GR-W02, #F2F1DF), Benjamin Moore Minced Onion (2145-60, #F0F0DF, LRV 86.33%) scores ΔE2000=0.58 and CAM16=0.55, followed by Minced Onion (OC-128, ΔE=0.58). In Sherwin-Williams, Queen Anne's Lace (SW 6420, #ECEAD5, LRV 81.68%) achieves ΔE2000=1.87 ahead of Restful White (SW 7563, ΔE=3). Coordinate GR-W02 with Polar Bear 1875 (1875) ceilings, Ambience White (PR-W8) trim, Pale Lichen (PPL-79) hallways, and Comforting Gray (BNC-04) accents.