As known for now, the Barracudas didn't had any Dutch markings applied. The aircraft had the standard FAA colours and camouflage pattern applied.

SchemeColour nameFS numberBS numberHumbrolXtraColorVallejo ModelColorVallejo ModelAirHataka
Standard FAA schemeUpper surfaces Dark Slate Grey     102 X025 70.892 71.092 ~202
Extra Dark Sea Grey ~6099 BS:640 123 / 106 X-5 / X-376 70.866 71.110 ~140
Undersides Sky - BS:210 90 X004 / X130 - 71.302 ~026

Check www.paint4models.com for an extensive conversion table with lots of colour and paint systems.