Hex #559d79 or rgb(85,157,121) in RGB space is the tint of teal. It has hue angle of 150.00 degrees, value = 62 and saturation = 46. #559d79 can be obtained by mixing 4 colors: 1 drop of magenta, 3 drops of blue, 5 drops of green, 3 drops of white.
Nearest safe hex - #669966. Below you can see the block with #559d79 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #559d79 to the mixer and play with it.