Code 764 (Crystal Springs) reflects 74.57% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Crystal Springs (764) registers J'=90.5, a'=-11.54, and b'=-5.74 with HSL (187°, 45%, 85%) and Helmholtz-Kohlrausch perceived value 90.3 L*_HK. Because 764 carries a*=-8.99 red-green and b*=-5.26 yellow-blue balance at chroma C*=10.42, Crystal Springs projects a cool cool coastal blue-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 764 predictably. Under 5000K noon daylight, Crystal Springs (764) holds its native #D1E5E1 swatch; at 4000K cool office LED, 764 adapts to #D8E3D7; at 3500K halogen, Crystal Springs transitions to #DFE2D1; at 3000K residential LED, 764 warms to #E6E0CB; and under 2700K evening bulbs, Crystal Springs (764) settles at #EBDFC7.
When cross-matching Benjamin Moore Crystal Springs (764, #C8E6EA), Behr Ethereal Mood (MQ3-52, #CCE7EB, LRV 76%) scores ΔE2000=0.97 and CAM16=1.02, followed by Winterscape (M480-2A, ΔE=1.26). In Sherwin-Williams, Aviary Blue (SW 6778, #C6E3E8, LRV 72.52%) achieves ΔE2000=0.87 ahead of Bathe Blue (SW 6771, ΔE=1.44). Coordinate 764 with Chantilly Lace (OC-65) ceilings, Ultra White (CC-10) trim, Blue Porcelain (1641) hallways, and Buxton Blue (HC-149) accents.