You might have to do the PC12 in the Garda colours, there's a suggestion that it's likely for the Defender replacement, there's one been over Dublin yesterday doing a demo.
After years of painstaking research, and several emails with the IAC museum staff, the gray on the Seafire is the exact color used by the IAC on their Spitfires/Seafires.
_________________ "It is better to type nothing and be assumed an ass, than to type something and remove all doubt." - Me