There is a paint set here for modern Luftwaffe, and they supply some FS numbers:
http://hataka-hobby.com/products/modern-luftwaffe-paint-set-vol-3/
Medium Grey – FS35237, used for upper surfaces in Norm 90J and Norm 95 schemes. Overall colour of current Tornados and Typhoons
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Camouflage (Barley) Grey – BS381C:626, standard colour of radome (nose cone) and vertical stabilizer antenna of all Eurofighter Typhoon airframes
regards,
Jack