Hex #278e62 or rgb(39,142,98) in RGB space is the tint of teal. It has hue angle of 154.37 degrees, value = 56 and saturation = 73. #278e62 can be obtained by mixing 4 colors: 2 drops of yellow, 5 drops of cyan, 1 drop of green, 5 drops of black.
Nearest safe hex - #339966. Below you can see the block with #278e62 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #278e62 to the mixer and play with it.