I am certainly no expert but based on what I could gather (from this board, Öhlins, my own experience with 0.90 fork springs) that sounds fairly reasonable to me. Should give you a firm setup (on the sport side of sport-touring) but nothing like race hard.
I reckon (own calculations) that will give you about 35 mm of front-end sag @ 15 mm of preload which is a good ballpark for spirited riding on public roads.
Note that spring rates play a fairly minor role in how harsh your suspension will feel. Damping is mostly what causes harshness (aside from excessive friction) so bumpy/crappy roads are not a good reason to go to lighter springs.
Shock spring rate on the 6G should be about 20-22 times the fork spring rate. Taller/heavier guys should aim for 22, 20 for shorter/lighter folks.
Feel free to question my 'wisdom'.