Hex #156439 or rgb(21,100,57) in RGB space is the tint of teal. It has hue angle of 147.34 degrees, value = 39 and saturation = 79. #156439 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of cyan, 4 drops of green, 5 drops of black.
Nearest safe hex - #006633. Below you can see the block with #156439 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #156439 to the mixer and play with it.