綠印 (luk6 jan3) — green stamp (indicated non-permanent residents in HK) in Cantonese
lukˍ₆綠jan˗₃印简 绿印
Mandarin Pinyin: lu:4 yin4
Meaning of 綠印
noungreen stamp (indicated non-permanent residents in HK)
noungreen-stamp (non-permanent resident status in Hong Kong)