| RAL name, english | Stone grey |
| RAL name, swedish | Stengrå |
| RAL name, german | Steingrau |
| RAL name, french | Gris pierre |
| RAL name, spanish | Gris piedra |
| RAL name, italian | Grigio pietra |
| RAL name, dutch | Steengrijs |
| Nearest NCS Sample | NCS 4502-Y |
| Exact NCS color | NCS 4503-G91Y |
| NCS 4502-Y |