Code MQ3-15 (Bell Tower) reflects 64% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Bell Tower (MQ3-15) registers J'=85.9, a'=0.05, and b'=7.84 with HSL (41°, 30%, 79%) and Helmholtz-Kohlrausch perceived value 84.6 L*_HK. Because MQ3-15 carries a*=-0.04 red-green and b*=11.67 yellow-blue balance at chroma C*=11.67, Bell Tower projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Behr MQ3-15 predictably. Under 5000K noon daylight, Bell Tower (MQ3-15) holds its native #E1CFB3 swatch; at 4000K cool office LED, MQ3-15 adapts to #E7CDAB; at 3500K halogen, Bell Tower transitions to #ECCCA5; at 3000K residential LED, MQ3-15 warms to #F2CAA1; and under 2700K evening bulbs, Bell Tower (MQ3-15) settles at #F7C99D.
When cross-matching Behr Bell Tower (MQ3-15, #DAD0BB), Benjamin Moore Temporal Spirit (965, #D9CFBB, LRV 63.18%) scores ΔE2000=0.45 and CAM16=0.44, followed by Clay Beige (OC-11, ΔE=0.45). In Sherwin-Williams, Wool Skein (SW 6148, #D9CFBA, LRV 63.15%) achieves ΔE2000=0.24 ahead of Oyster Bar (SW 7565, ΔE=0.48). Coordinate MQ3-15 with Ultra Pure White (50) ceilings, Bridal Veil (W-D-600) trim, Polished Pearl (PPU6-09) hallways, and Thickened Cream (M290-1) accents.