Hex #157d47 or rgb(21,125,71) in RGB space is the tint of teal. It has hue angle of 148.85 degrees, value = 49 and saturation = 83. #157d47 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 5 drops of green, 1 drop of black.
Nearest safe hex - #006633. Below you can see the block with #157d47 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #157d47 to the mixer and play with it.