Code 2050-60 (Arctic Blue) reflects 71.91% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Arctic Blue (2050-60) registers J'=89.4, a'=-12.51, and b'=-3.03 with HSL (176°, 36%, 83%) and Helmholtz-Kohlrausch perceived value 89.1 L*_HK. Because 2050-60 carries a*=-10.53 red-green and b*=-2.45 yellow-blue balance at chroma C*=10.81, Arctic Blue projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 2050-60 predictably. Under 5000K noon daylight, Arctic Blue (2050-60) holds its native #CDE2D8 swatch; at 4000K cool office LED, 2050-60 adapts to #D4E0CE; at 3500K halogen, Arctic Blue transitions to #DADFC8; at 3000K residential LED, 2050-60 warms to #E1DDC3; and under 2700K evening bulbs, Arctic Blue (2050-60) settles at #E6DCBF.
When cross-matching Benjamin Moore Arctic Blue (2050-60, #C4E3E1), Behr Tahitian Sky (M460-1, #C9E9E7, LRV 77%) scores ΔE2000=1.32 and CAM16=1.82, followed by Tidewater (M450-2, ΔE=1.93). In Sherwin-Williams, Swimming (SW 6764, #C2E5E5, LRV 72.92%) achieves ΔE2000=1.28 ahead of Meander Blue (SW 6484, ΔE=1.88). Coordinate 2050-60 with Ice Mist (OC-67) ceilings, White (PM-2) trim, Paradiso (717) hallways, and Kensington Green (710) accents.