Hex #55b2b4 or rgb(85,178,180) in RGB space is the tint of cyan. It has hue angle of 181.26 degrees, value = 71 and saturation = 53. #55b2b4 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of magenta, 5 drops of cyan, 1 drop of green.
Nearest safe hex - #6699cc. Below you can see the block with #55b2b4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b2b4 to the mixer and play with it.