Code MQ3-58 (Alice White) reflects 60% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Alice White (MQ3-58) registers J'=84.2, a'=-5.80, and b'=-4.45 with HSL (195°, 15%, 79%) and Helmholtz-Kohlrausch perceived value 82.5 L*_HK. Because MQ3-58 carries a*=-3.29 red-green and b*=-3.39 yellow-blue balance at chroma C*=4.72, Alice White projects a cool cool coastal blue-grey character across drywall and millwork.
Thermal lighting shifts Behr MQ3-58 predictably. Under 5000K noon daylight, Alice White (MQ3-58) holds its native #CACDC9 swatch; at 4000K cool office LED, MQ3-58 adapts to #D0CBC1; at 3500K halogen, Alice White transitions to #D6CABB; at 3000K residential LED, MQ3-58 warms to #DCC9B6; and under 2700K evening bulbs, Alice White (MQ3-58) settles at #E0C7B2.
When cross-matching Behr Alice White (MQ3-58, #C2CED2), Benjamin Moore Silver Gray (2131-60, #C4CFD2, LRV 60.92%) scores ΔE2000=0.61 and CAM16=0.78, followed by Mt. Rainier Gray (2129-60, ΔE=1.04). In Sherwin-Williams, Sleepy Blue (SW 6225, #BCCBCE, LRV 57.74%) achieves ΔE2000=1.72 ahead of Tradewind (SW 6218, ΔE=2.24). Coordinate MQ3-58 with Ultra Pure White® (UPW) ceilings, Ambience White (PR-W8) trim, Dream Catcher (740E-1) hallways, and Bakery Box (BL-W9) accents.