Brunswick green is another dark blue hue. There are steel companies that produce safes of this color. The colours get better as they get older.
#F0F9F5
#DAF1E5
#B8E2CB
#89CCB0
#58AF8D
#369372
#26755B
#1E5E4B
#1B4D3E
#163E32
#0C221D
Related: Green Gradients, Green Colors