Hex #768d7d or rgb(118,141,125) in RGB space is the tint of bluish green. It has hue angle of 138.26 degrees, value = 55 and saturation = 16. #768d7d can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 3 drops of white, 2 drops of black.
Nearest safe hex - #669966. Below you can see the block with #768d7d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #768d7d to the mixer and play with it.