Code OC-99 (Deserted Island) reflects 79.2% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Deserted Island (OC-99) registers J'=92.6, a'=-0.01, and b'=7.64 with HSL (41°, 49%, 88%) and Helmholtz-Kohlrausch perceived value 92 L*_HK. Because OC-99 carries a*=-0.07 red-green and b*=11.45 yellow-blue balance at chroma C*=11.45, Deserted Island projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Benjamin Moore OC-99 predictably. Under 5000K noon daylight, Deserted Island (OC-99) holds its native #F7E3C7 swatch; at 4000K cool office LED, OC-99 adapts to #FEE2BE; at 3500K halogen, Deserted Island transitions to #FFE1B8; at 3000K residential LED, OC-99 warms to #FFDFB3; and under 2700K evening bulbs, Deserted Island (OC-99) settles at #FFDDAF.
When cross-matching Benjamin Moore Deserted Island (OC-99, #EFE5D0), Behr Ancient Ivory (BWC-16, #F1E6D1, LRV 80%) scores ΔE2000=0.54 and CAM16=0.49, followed by Writing Paper (S310-1, ΔE=0.75). In Sherwin-Williams, Classical White (SW 2829, #ECE1CB, LRV 76.26%) achieves ΔE2000=0.98 ahead of Crème (SW 7556, ΔE=1.13). Coordinate OC-99 with Ice Mist (OC-67) ceilings, Misty Gray (2124-60) trim, Inner Balance (1522) hallways, and Gallery Buff (CSP-225) accents.