Hex #558572 or rgb(85,133,114) in RGB space is the tint of teal. It has hue angle of 156.25 degrees, value = 52 and saturation = 36. #558572 can be obtained by mixing 3 colors: 3 drops of magenta, 2 drops of cyan, 4 drops of green.
Nearest safe hex - #669966. Below you can see the block with #558572 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #558572 to the mixer and play with it.