Code BWC-07 (Cotton Blossom) reflects 88% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Cotton Blossom (BWC-07) registers J'=95.9, a'=-1.03, and b'=4.82 with HSL (46°, 46%, 93%) and Helmholtz-Kohlrausch perceived value 95.6 L*_HK. Because BWC-07 carries a*=-0.87 red-green and b*=6.75 yellow-blue balance at chroma C*=6.81, Cotton Blossom projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Behr BWC-07 predictably. Under 5000K noon daylight, Cotton Blossom (BWC-07) holds its native #FDEFDB swatch; at 4000K cool office LED, BWC-07 adapts to #FFEED1; at 3500K halogen, Cotton Blossom transitions to #FFECCA; at 3000K residential LED, BWC-07 warms to #FFEBC5; and under 2700K evening bulbs, Cotton Blossom (BWC-07) settles at #FFE9C1.
When cross-matching Behr Cotton Blossom (BWC-07, #F5F1E4), Benjamin Moore Capitol White (CW-10, #F5F2E5, LRV 88.72%) scores ΔE2000=0.52 and CAM16=0.41, followed by White Blush (904, ΔE=1.07). In Sherwin-Williams, Roman Column (SW 7562, #F6F0E2, LRV 87.58%) achieves ΔE2000=0.94 ahead of Whitetail (SW 7103, ΔE=1.17). Coordinate BWC-07 with Ultra Pure White (50) ceilings, Silver Chalice (640E-1) trim, Soft Secret (PPU25-10) hallways, and Biking Trail (N350-3) accents.