Hex #157940 or rgb(21,121,64) in RGB space is the tint of teal. It has hue angle of 145.80 degrees, value = 47 and saturation = 83. #157940 can be obtained by mixing 4 colors: 2 drops of cyan, 4 drops of green, 1 drop of white, 5 drops of black.
Nearest safe hex - #006633. Below you can see the block with #157940 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #157940 to the mixer and play with it.