Code UL150-10 (Aged Parchment) reflects 72.88% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Aged Parchment (UL150-10) registers J'=90.1, a'=1.10, and b'=6.60 with HSL (35°, 39%, 85%) and Helmholtz-Kohlrausch perceived value 88.9 L*_HK. Because UL150-10 carries a*=1.29 red-green and b*=9.82 yellow-blue balance at chroma C*=9.9, Aged Parchment projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Behr UL150-10 predictably. Under 5000K noon daylight, Aged Parchment (UL150-10) holds its native #EFDAC2 swatch; at 4000K cool office LED, UL150-10 adapts to #F6D9BA; at 3500K halogen, Aged Parchment transitions to #FBD8B4; at 3000K residential LED, UL150-10 warms to #FFD6AF; and under 2700K evening bulbs, Aged Parchment (UL150-10) settles at #FFD5AB.
When cross-matching Behr Aged Parchment (UL150-10, #E8DCCB), Benjamin Moore First Crush (CSP-310, #E8DECF, LRV 74.1%) scores ΔE2000=1.07 and CAM16=0.98, followed by Lambskin (1051, ΔE=1.24). In Sherwin-Williams, Biscuit (SW 6112, #EBDDCB, LRV 73.94%) achieves ΔE2000=0.89 ahead of Bauhaus Buff (SW 7552, ΔE=0.89). Coordinate UL150-10 with Ultra Pure White (W-B-500) ceilings, Ambience White (PR-W8) trim, Barley Field (ECC-44-1) hallways, and Saturn Gray (UL190-7) accents.