Green - When referring to black tea it means the leaf has been underfermented or alternatively it can be leaf plucked from immature bushes and will often , when steeped, result in a raw or light liquor. Can also be caused by poor rolling during making or manufacture.

Grey - Caused by too much abrasion during sorting.

Grainy - Describes primary grades of well-made CTC teas such as Pekoe dust.