Code ECC-55-2 (Adobe White) reflects 81% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Adobe White (ECC-55-2) registers J'=93.6, a'=1.71, and b'=5.64 with HSL (31°, 55%, 90%) and Helmholtz-Kohlrausch perceived value 92.9 L*_HK. Because ECC-55-2 carries a*=2.09 red-green and b*=8.39 yellow-blue balance at chroma C*=8.65, Adobe White projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Behr ECC-55-2 predictably. Under 5000K noon daylight, Adobe White (ECC-55-2) holds its native #FCE5D0 swatch; at 4000K cool office LED, ECC-55-2 adapts to #FFE4C7; at 3500K halogen, Adobe White transitions to #FFE3C1; at 3000K residential LED, ECC-55-2 warms to #FFE1BB; and under 2700K evening bulbs, Adobe White (ECC-55-2) settles at #FFDFB7.
When cross-matching Behr Adobe White (ECC-55-2, #F4E7D9), Benjamin Moore Ambrosia (893, #F7E9DC, LRV 83.45%) scores ΔE2000=0.91 and CAM16=0.86, followed by Beautiful In My Eyes (1170, ΔE=1.14). In Sherwin-Williams, Alluring White (SW 6343, #EFE1D2, LRV 77.09%) achieves ΔE2000=1.37 ahead of Crisp Linen (SW 6378, ΔE=1.76). Coordinate ECC-55-2 with Frost Bl-w15 (BL-W15) ceilings, Silver Chalice (640E-1) trim, Old Map (N230-2) hallways, and Smokestack (N220-3) accents.