Hex #339b80 or rgb(51,155,128) in RGB space is the tint of greenish cian. It has hue angle of 164.42 degrees, value = 61 and saturation = 67. #339b80 can be obtained by mixing 4 colors: 2 drops of red, 5 drops of cyan, 2 drops of green, 1 drop of black.
Nearest safe hex - #339999. Below you can see the block with #339b80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #339b80 to the mixer and play with it.