Code I-03 (Bone White) reflects 73.73% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Bone White (I-03) registers J'=90.4, a'=-0.18, and b'=7.36 with HSL (41°, 38%, 85%) and Helmholtz-Kohlrausch perceived value 89.4 L*_HK. Because I-03 carries a*=-0.26 red-green and b*=10.91 yellow-blue balance at chroma C*=10.91, Bone White projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Benjamin Moore I-03 predictably. Under 5000K noon daylight, Bone White (I-03) holds its native #EFDCC1 swatch; at 4000K cool office LED, I-03 adapts to #F5DBB9; at 3500K halogen, Bone White transitions to #FBDAB3; at 3000K residential LED, I-03 warms to #FFD8AE; and under 2700K evening bulbs, Bone White (I-03) settles at #FFD6AA.
When cross-matching Benjamin Moore Bone White (I-03, #E7DECA), Behr Ivory Paper (MQ3-12, #E6DECA, LRV 73%) scores ΔE2000=0.48 and CAM16=0.33, followed by Desert Plain (ECC-21-1, ΔE=0.55). In Sherwin-Williams, Polar Bear (SW 7564, #E8DFCA, LRV 74.43%) achieves ΔE2000=0.44 ahead of Muslin (SW 6133, ΔE=1.01). Coordinate I-03 with Distant Gray (2124-70) ceilings, Ultra White (CC-10) trim, Greenwich Gate (CSP-170) hallways, and Finnie Gray (CW-55) accents.