RN to NARN Range.
Colours which have simply been renumbered without a shade change are:
RN28 became NARN20
RN01 became NARN23
RN02 became NARN24
RN03 was discontinued as an incorrect shade, superseded by NARN22
RN18 became NARN25
RN04 became NARN28
RN07 (as revised from Snyder & Short medium blue-grey to blue by Sovereign Hobbies in 2017) became NARN33
RN09 became NARN39
RN19 became NARN42
RN24 became NARN44
RN27 became NARN45
RN26 became NARN46, but was later discontinued as irrelevant
All other NARNxx colours are new products, whether altered slightly or significantly from the similarly labelled product from the discontinued RNxx range.