Road signs in Iceland Colours and shapes Colours and shapes

| Type_of_sign | Shape | Border | Background_colour | Text_Symbol |
|---|---|---|---|---|
| Warning | Triangular | Red | Yellow | Black |
| Prohibition | Circular | Red | Yellow | Black |
| Mandatory instructions | Circular | White | Blue | White |
| Supplementary | Rectangular | White Red | Blue Yellow | White Black |
| Directions, sometimes | Rectangular | Black | Yellow | Black |
| Information | Rectangular | White | Blue | White |