Hex #768983 or rgb(118,137,131) in RGB space is the tint of greenish cian. It has hue angle of 161.05 degrees, value = 54 and saturation = 14. #768983 can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of blue, 4 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #768983 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #768983 to the mixer and play with it.