Hex #55b2b9 or rgb(85,178,185) in RGB space is the tint of cyan. It has hue angle of 184.20 degrees, value = 73 and saturation = 54. #55b2b9 can be obtained by mixing 4 colors: 2 drops of blue, 1 drop of cyan, 1 drop of green, 2 drops of white.
Nearest safe hex - #6699cc. Below you can see the block with #55b2b9 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b2b9 to the mixer and play with it.