Hex #769989 or rgb(118,153,137) in RGB space is the tint of teal. It has hue angle of 152.57 degrees, value = 60 and saturation = 23. #769989 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of cyan, 5 drops of white, 5 drops of black.
Nearest safe hex - #669999. Below you can see the block with #769989 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #769989 to the mixer and play with it.