Mk 2 escort paint

[Eskyrallypack]

Hi
I purchased a 1978 Mk 2 escort rally pack last year and am currently sanding back for a restoration. Underneath a couple of layers of paint I have come across the original paint. It is a violet sort of colour. The paint code on the plate is E Y356 which when googled comes up as kwickasair violet. I sent all plate details to ford Australia who confirmed I have an original 2
litre Rally pack but they do not recognise this code as escort paint. They assume it must be two tone with 3 being upper and 56 being lower but they still have no paint codes for this. I know there is a couple of xb falcons painted this colour so can someone please give me any information on this colour, paint code and how this car was painted this colour when not an original escort colour. Any help would be appreciated.