Hex #4e9389 or rgb(78,147,137) in RGB space is the tint of greenish cian. It has hue angle of 171.30 degrees, value = 58 and saturation = 47. #4e9389 can be obtained by mixing 4 colors: 3 drops of cyan, 1 drop of green, 4 drops of white, 5 drops of black.
Nearest safe hex - #669999. Below you can see the block with #4e9389 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e9389 to the mixer and play with it.