Searched refs:ciey_yn (Results 1 – 1 of 1) sorted by relevance
1273 ciey_yn, /* Normalized luminance */ in rgb_to_lab() local1299 ciey_yn = ciey / D65_Y; in rgb_to_lab()1301 if (ciey_yn > 0.008856) in rgb_to_lab()1302 ciel = 116 * cbrt(ciey_yn) - 16; in rgb_to_lab()1304 ciel = 903.3 * ciey_yn; in rgb_to_lab()