Retail Display & Studio Light Correlated Color Temperature (CCT) & Duv Tint Meter

Deterministic Camera DNG ColorMatrix1/2 forward interpolation to CIE 1931 XYZ -> CIE 1960 UCS (u, v) Ohno triangular Duv & CCT solver engine (.dng, .arw, .cr3, .nef) built for Sekonic Alt, Soraa Vivid, Bridgelux, Aputure — zero-upload ephemeral Wasm RAM execution.

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