Code UL190-10 (Clay Beige) reflects 63.21% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Clay Beige (UL190-10) registers J'=85.7, a'=-0.85, and b'=4.69 with HSL (45°, 16%, 80%) and Helmholtz-Kohlrausch perceived value 84 L*_HK. Because UL190-10 carries a*=-0.72 red-green and b*=6.44 yellow-blue balance at chroma C*=6.48, Clay Beige projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Behr UL190-10 predictably. Under 5000K noon daylight, Clay Beige (UL190-10) holds its native #DBCFBC swatch; at 4000K cool office LED, UL190-10 adapts to #E2CDB3; at 3500K halogen, Clay Beige transitions to #E7CCAE; at 3000K residential LED, UL190-10 warms to #EDCAA9; and under 2700K evening bulbs, Clay Beige (UL190-10) settles at #F1C9A6.
When cross-matching Behr Clay Beige (UL190-10, #D4D0C4), Benjamin Moore Penthouse (CSP-35, #D4D0C3, LRV 63.17%) scores ΔE2000=0.43 and CAM16=0.36, followed by Sea Salt (CSP-95, ΔE=0.55). In Sherwin-Williams, Sedate Gray (SW 6169, #D1CDBF, LRV 61.11%) achieves ΔE2000=1.15 ahead of Gossamer Veil (SW 9165, ΔE=1.24). Coordinate UL190-10 with Ultra Pure White® (UPW) ceilings, Ambience White (PR-W8) trim, Ivory Mist (750C-1) hallways, and Clear Moon (PWN-30) accents.