Hex #55afaa or rgb(85,175,170) in RGB space is the tint of cyan. It has hue angle of 176.67 degrees, value = 69 and saturation = 51. #55afaa can be obtained by mixing 4 colors: 3 drops of blue, 1 drop of cyan, 2 drops of green, 3 drops of white.
Nearest safe hex - #669999. Below you can see the block with #55afaa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55afaa to the mixer and play with it.