Hex #157240 or rgb(21,114,64) in RGB space is the tint of teal. It has hue angle of 147.74 degrees, value = 45 and saturation = 82. #157240 can be obtained by mixing 4 colors: 3 drops of blue, 5 drops of green, 1 drop of white, 3 drops of black.
Nearest safe hex - #006633. Below you can see the block with #157240 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #157240 to the mixer and play with it.