Dénes,
why do you believe that the lightest colour isn't RLM 63? Just check early planes like the Hs123
http://www.warbirdsresourcegroup.org...hs123-main.jpghttp://www.warbirdsresourcegroup.org...es/hs123-3.jpg, Do17
http://i.dailymail.co.uk/i/pix/2013/...04_634x407.jpg
The shade of light grey is always the same as at the Ju87. Always RLM 63.
The nose is RLM 62 green.
Cheers, Simon