कुचन्दनं रूक्षमगुरुकालं रक्तं रक्तकालं वा ॥ कZ_०२.११.५० ॥
kucandanaṃ rūkṣamagurukālaṃ raktaṃ raktakālaṃ vā
‘कुचन्दनं’ रूक्षम्; अगुरुकालं; रक्तं वा रक्तकालं वा।
Comparators provide a shared reference point for inspectors, improving consistency when exact color terms may be interpreted differently.