| Abbreviation | Definition |
|---|---|
| GL | Grey Level |
| GLC | Gold Looking Chain |
| GM | Grey Marine |
| GN | Generalized Nutbrown |
| Gn | Green |
| GN | Grey Nickel |
| GNRY | Green over Royal |
| GP | Gold Peak |
| GP | Gold Plated |
| GR | Green and Red |
| GROW | Green, Red, Orange, and White |
| GRY | Gray |
| GS | Gold and Sliver |
| GS | Gray Scale |
| GSDM | Gray Scale Difference Matrix |
| GST | Gold Steel Titanium |
| GT | Gloss Top |
| Gy | gray |
| H | Hue |
| HB | Hard and Black |