Hex #156339 or rgb(21,99,57) in RGB space is the tint of teal. It has hue angle of 147.69 degrees, value = 39 and saturation = 79. #156339 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of blue, 5 drops of green, 2 drops of black.
Nearest safe hex - #006633. Below you can see the block with #156339 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #156339 to the mixer and play with it.