कुचन्दनं रूक्षमगुरुकालं रक्तं रक्तकालं वा ॥ कZ_०२.११.५० ॥
kucandanaṃ rūkṣamagurukālaṃ raktaṃ raktakālaṃ vā
Ang ‘Kucandana’ ay tuyo; (ito’y) maitim na gaya ng aguru, at pula o pulang-itim ang kulay.
Comparators provide a shared reference point for inspectors, improving consistency when exact color terms may be interpreted differently.