| RAL name, english | Concrete grey |
| RAL name, swedish | |
| RAL name, german | Betongrau |
| RAL name, french | Gris béton |
| RAL name, spanish | Gris hormigón |
| RAL name, italian | Grigio calcestruzzo |
| RAL name, dutch | Betongrijs |
| Nearest NCS Sample | NCS 5005-G50Y |
| Exact NCS color | NCS 5304-G64Y |
| NCS 5502-Y |