Hex #158d55 or rgb(21,141,85) in RGB space is the tint of teal. It has hue angle of 152.00 degrees, value = 55 and saturation = 85. #158d55 can be obtained by mixing 4 colors: 3 drops of cyan, 4 drops of green, 1 drop of white, 4 drops of black.
Nearest safe hex - #009966. Below you can see the block with #158d55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #158d55 to the mixer and play with it.