Code OC-20 (Pale Oak) reflects 69.57% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Pale Oak (OC-20) registers J'=88.6, a'=-0.75, and b'=4.29 with HSL (44°, 18%, 84%) and Helmholtz-Kohlrausch perceived value 87.1 L*_HK. Because OC-20 carries a*=-0.55 red-green and b*=5.89 yellow-blue balance at chroma C*=5.92, Pale Oak projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Benjamin Moore OC-20 predictably. Under 5000K noon daylight, Pale Oak (OC-20) holds its native #E5D8C5 swatch; at 4000K cool office LED, OC-20 adapts to #EBD6BD; at 3500K halogen, Pale Oak transitions to #F1D5B7; at 3000K residential LED, OC-20 warms to #F7D3B2; and under 2700K evening bulbs, Pale Oak (OC-20) settles at #FBD2AE.
When cross-matching Benjamin Moore Pale Oak (OC-20, #DDD9CE), Behr Campfire Ash (N320-1, #DDD9CE, LRV 69%) scores ΔE2000=0 and CAM16=0, followed by Silver Drop (790C-2, ΔE=0.52). In Sherwin-Williams, City Loft (SW 7631, #DFDAD1, LRV 70.54%) achieves ΔE2000=1.23 ahead of Egret White (SW 7570, ΔE=1.25). Coordinate OC-20 with White Opulence (879) ceilings, White (PM-2) trim, Mountain Peak White (2148-70) hallways, and Smoke & Mirrors (CSP-105) accents.