[Michael Ullmann]

Hola,
the original sentence in German is:
Die nachdunkelnden Farbtöne 70 u. 71 der bisherigen Landtarnung werden abgelöst durch die Farben 281 H olivgrün und B 657 hellgrün ....

I hate the discussion, but you have finaly figured out that RLM 83 is darkblue! It is hard for me to explain, but their are strict rules in RLM and to avoid any confusion they never gave a new part (In our case a new paint) an old number. The German armed forces today made it the same way. Again there are only two documents exist that listed RLM 83. No surface protection list exist that listed RLM 83, because the paint was for unit or depot maintenance level, not for production. This darkgreen is a darkgreen variation of RLM 81 or the use of RLM 70/71 with 81/82.

Best Regards from Germany