Some bits of information and links for stuff I found on the web for the restoration.

http://triumphscooters.co.uk/

https://en.wikipedia.org/wiki/Triumph_Tigress/BSA_Sunbeam

http://www.caclassicscooters.com/classic-triumph.htm

Found a blog that talked about the paint colour….

Paint Colour

I collected my freshly painted panels from the painter this morning. It looks like a close match to me –

VW River Blue Metallic (Code LK6V shade No.1)

Tetrosyl Polyester reference code: PO6572

Epoxy primer. Undercoat. Three base coats. Four coats of clear lacquer.

http://www.bsafiles.se/misc/BSA_Color_Codes.htm

shows – 140 POLYCHROMATIC ZICON [sic should be ZIRCON?] BLUE 7/1/59 BECAME POLYCHROMATIC SHELL BLUE SHEEN 9/1/59