Hex #159a55 or rgb(21,154,85) in RGB space is the tint of teal. It has hue angle of 148.87 degrees, value = 60 and saturation = 86. #159a55 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of cyan, 5 drops of green, 2 drops of black.
Nearest safe hex - #009966. Below you can see the block with #159a55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #159a55 to the mixer and play with it.