Hex #55a2aa or rgb(85,162,170) in RGB space is the tint of cyan. It has hue angle of 185.65 degrees, value = 67 and saturation = 50. #55a2aa can be obtained by mixing 4 colors: 1 drop of red, 4 drops of cyan, 2 drops of white, 2 drops of black.
Nearest safe hex - #669999. Below you can see the block with #55a2aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a2aa to the mixer and play with it.