Hex #158740 or rgb(21,135,64) in RGB space is the tint of teal. It has hue angle of 142.63 degrees, value = 53 and saturation = 84. #158740 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of cyan, 5 drops of green, 3 drops of black.
Nearest safe hex - #009933. Below you can see the block with #158740 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #158740 to the mixer and play with it.