Code HDC-MD-08 (Whisper White) reflects 89% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Whisper White (HDC-MD-08) registers J'=96.4, a'=-1.67, and b'=3.34 with HSL (54°, 31%, 94%) and Helmholtz-Kohlrausch perceived value 96.1 L*_HK. Because HDC-MD-08 carries a*=-1.22 red-green and b*=4.45 yellow-blue balance at chroma C*=4.61, Whisper White projects a warm soft green-beige character across drywall and millwork.
Thermal lighting shifts Behr HDC-MD-08 predictably. Under 5000K noon daylight, Whisper White (HDC-MD-08) holds its native #FCF1E0 swatch; at 4000K cool office LED, HDC-MD-08 adapts to #FFF0D6; at 3500K halogen, Whisper White transitions to #FFEED0; at 3000K residential LED, HDC-MD-08 warms to #FFEDCA; and under 2700K evening bulbs, Whisper White (HDC-MD-08) settles at #FFEBC6.
When cross-matching Behr Whisper White (HDC-MD-08, #F4F3EA), Benjamin Moore Mountain Peak White (2148-70, #F7F5EB, LRV 91.19%) scores ΔE2000=0.71 and CAM16=0.79, followed by Mountain Peak White (OC-121, ΔE=0.71). In Sherwin-Williams, High Reflective White (SW 7757, #F7F7F1, LRV 92.71%) achieves ΔE2000=1.58 ahead of Greek Villa (SW 7551, ΔE=1.96). Coordinate HDC-MD-08 with YL-W15 (YL-W15) ceilings, Maui Mist (BL-W10) trim, Close Knit (T17-01) hallways, and Foggy London (PPU25-09) accents.