Hex #559d72 or rgb(85,157,114) in RGB space is the tint of teal. It has hue angle of 144.17 degrees, value = 62 and saturation = 46. #559d72 can be obtained by mixing 4 colors: 1 drop of blue, 2 drops of green, 2 drops of white, 1 drop of black.
Nearest safe hex - #669966. Below you can see the block with #559d72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #559d72 to the mixer and play with it.