Chrominance axis misalignment between KLT and BT.601, measured across all 24 images of the Kodak PhotoCD Suite The two chrominance misalignment angles co-vary at r = 0.999 (R² = 0.999) across all 24 images, ranging from roughly \~22° to \~80° demonstrating that standard BT.601 color axes are rarely "optimal" for any specific image's unique color distribution. The key data point, labeled kodim14 (a famous image in the set featuring a boat) highlighted in orange, sits slightly below the regression line, representing a minor deviation from the otherwise rigid co-variation of the two axes. This evidence suggests that when the blue-difference axis (Cb) is misaligned by a certain amount, the red-difference axis (Cr) is almost always misaligned by the exact same proportion.…