वैडूर्यमुत्पलवर्णः शिरीषपुष्पक उदकवर्णो वंशरागः शुकपत्त्रवर्णः पुष्यरागो गोमूत्रको गोमेदकः ॥ कZ_०२.११.३० ॥
vaiḍūryamutpalavarṇaḥ śirīṣapuṣpaka udakavarṇo vaṃśarāgaḥ śukapattravarṇaḥ puṣyarāgo gomūtrako gomedakaḥ
Vaiḍūrya is (graded as) ‘utpala-colored’; (there are) ‘śirīṣapuṣpaka’; ‘udaka-colored’; ‘vaṃśarāga’; ‘parrot-leaf-colored’; ‘puṣyarāga’; ‘gomūtraka’; and ‘gomedaka’.
They create shared, repeatable reference points for inspectors and traders in an era without instrumental color measurement, improving consistency in valuation.