Hex #559e6a or rgb(85,158,106) in RGB space is the tint of bluish green. It has hue angle of 137.26 degrees, value = 62 and saturation = 46. #559e6a can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of red, 5 drops of cyan, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #559e6a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #559e6a to the mixer and play with it.