Hex #778b7d or rgb(119,139,125) in RGB space is the tint of bluish green. It has hue angle of 138.00 degrees, value = 55 and saturation = 14. #778b7d can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 4 drops of white, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #778b7d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #778b7d to the mixer and play with it.