Hex #157840 or rgb(21,120,64) in RGB space is the tint of teal. It has hue angle of 146.06 degrees, value = 47 and saturation = 83. #157840 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of cyan, 4 drops of green, 4 drops of black.
Nearest safe hex - #006633. Below you can see the block with #157840 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #157840 to the mixer and play with it.