Code RD-W15 (Cotton Sheets) reflects 85% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Cotton Sheets (RD-W15) registers J'=94.7, a'=1.40, and b'=5.56 with HSL (32°, 62%, 92%) and Helmholtz-Kohlrausch perceived value 94.2 L*_HK. Because RD-W15 carries a*=1.73 red-green and b*=8.24 yellow-blue balance at chroma C*=8.42, Cotton Sheets projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Behr RD-W15 predictably. Under 5000K noon daylight, Cotton Sheets (RD-W15) holds its native #FFE9D4 swatch; at 4000K cool office LED, RD-W15 adapts to #FFE8CA; at 3500K halogen, Cotton Sheets transitions to #FFE6C4; at 3000K residential LED, RD-W15 warms to #FFE5BF; and under 2700K evening bulbs, Cotton Sheets (RD-W15) settles at #FFE3BB.
When cross-matching Behr Cotton Sheets (RD-W15, #F7EBDD), Benjamin Moore Opal (891, #F6ECDF, LRV 85.11%) scores ΔE2000=0.87 and CAM16=0.67, followed by Opal (OC-73, ΔE=0.87). In Sherwin-Williams, Cotton White (SW 7104, #F7EFE3, LRV 87.23%) achieves ΔE2000=1.89 ahead of Crisp Linen (SW 6378, ΔE=1.93). Coordinate RD-W15 with Polar Bear (W-F-200) ceilings, Ambience White (PR-W8) trim, Granite Dust (MQ3-06) hallways, and Barley Field (ECC-44-1) accents.