Code PPU18-01 (Cracked Pepper) reflects 8% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Cracked Pepper (PPU18-01) registers J'=36.5, a'=-1.77, and b'=-1.63 with HSL (200°, 2%, 32%) and Helmholtz-Kohlrausch perceived value 34.4 L*_HK. Because PPU18-01 carries a*=-0.59 red-green and b*=-0.87 yellow-blue balance at chroma C*=1.05, Cracked Pepper projects a neutral crisp neutral true white/grey character across drywall and millwork.
Thermal lighting shifts Behr PPU18-01 predictably. Under 5000K noon daylight, Cracked Pepper (PPU18-01) holds its native #52504E swatch; at 4000K cool office LED, PPU18-01 adapts to #55504B; at 3500K halogen, Cracked Pepper transitions to #574F48; at 3000K residential LED, PPU18-01 warms to #5A4F46; and under 2700K evening bulbs, Cracked Pepper (PPU18-01) settles at #5C4E44.
When cross-matching Behr Cracked Pepper (PPU18-01, #4F5152), Benjamin Moore French Beret (1610, #4C4F52, LRV 7.72%) scores ΔE2000=1.43 and CAM16=1.94, followed by Nightfall (1596, ΔE=1.51). In Sherwin-Williams, Peppercorn (SW 7674, #585858, LRV 9.76%) achieves ΔE2000=2.85 ahead of Perle Noir (SW 9154, ΔE=3.61). Coordinate PPU18-01 with Ultra Pure White® (PR-W15) ceilings, White Glove (W-D-610) trim, Gray Area (770F-4) hallways, and Manhattan Mist (760E-2) accents.