Code PPU7-11 (Cotton Knit) reflects 74% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Cotton Knit (PPU7-11) registers J'=90.6, a'=-0.32, and b'=5.02 with HSL (41°, 27%, 86%) and Helmholtz-Kohlrausch perceived value 89.4 L*_HK. Because PPU7-11 carries a*=-0.18 red-green and b*=7.09 yellow-blue balance at chroma C*=7.09, Cotton Knit projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Behr PPU7-11 predictably. Under 5000K noon daylight, Cotton Knit (PPU7-11) holds its native #EDDDC9 swatch; at 4000K cool office LED, PPU7-11 adapts to #F4DCC0; at 3500K halogen, Cotton Knit transitions to #F9DBBA; at 3000K residential LED, PPU7-11 warms to #FFD9B5; and under 2700K evening bulbs, Cotton Knit (PPU7-11) settles at #FFD8B2.
When cross-matching Behr Cotton Knit (PPU7-11, #E5DFD2), Benjamin Moore Olympic Mountains (971, #E2DDD0, LRV 72.58%) scores ΔE2000=0.7 and CAM16=0.78, followed by Fog Mist (OC-31, ΔE=0.7). In Sherwin-Williams, White Duck (SW 7010, #E5DFD2, LRV 74.24%) achieves ΔE2000=0 ahead of Oyster White (SW 7637, ΔE=0.7). Coordinate PPU7-11 with YL-W15 (YL-W15) ceilings, Vibrant White (BWC-12) trim, Stately White (BXC-29) hallways, and Grey Mist (HDC-CT-21) accents.