Monday 08 December 2025
Find all the information on the color reference 509A Giallo Prototipo for Alfa Romeo cars. This shade, which was introduced on Alfa Romeo cars in 1950 - 2016, requires a light grey undercoat and is used on bodywork. Its dominant colour is yellow.
The opaque appearance of the pastel Alfa Romeo colour allows it to be finished with a direct gloss finish or as a clear coat base.
Overview of Alfa Romeo 509A Giallo Prototipo colour
List of the main characteristics of the Alfa Romeo 509A Giallo Prototipo paint code reference.
| Colour | 509A |
| Description | Giallo Prototipo |
| Years | 1950 - 2016 |
| Manufacturer | Alfa Romeo All Alfa Romeo paints |
| Main color group | Yellow |
| Recommended undercoat | Light Grey |
| Support type | Bodywork |
| Color type | Pastel |
The colour of the Alfa Romeo shade, in addition to the 509A code, exists under several other codes, or at other car manufacturers:
4H5 | 509A |
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